39816400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 180

約数和(自身を含む): 112552320

約数和(自身を除く): 72735920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 31, 38, 40, 50, 52, 62, 65, 76, 80, 95, 100, 104, 124, 130, 152, 155, 169, 190, 200, 208, 247, 248, 260, 304, 310, 325, 338, 380, 400, 403, 475, 494, 496, 520, 589, 620, 650, 676, 760, 775, 806, 845, 950, 988, 1040, 1178, 1235, 1240, 1300, 1352, 1520, 1550, 1612, 1690, 1900, 1976, 2015, 2356, 2470, 2480, 2600, 2704, 2945, 3100, 3211, 3224, 3380, 3800, 3952, 4030, 4225, 4712, 4940, 5200, 5239, 5890, 6175, 6200, 6422, 6448, 6760, 7600, 7657, 8060, 8450, 9424, 9880, 10075, 10478, 11780, 12350, 12400, 12844, 13520, 14725, 15314, 16055, 16120, 16900, 19760, 20150, 20956, 23560, 24700, 25688, 26195, 29450, 30628, 32110, 32240, 33800, 38285, 40300, 41912, 47120, 49400, 51376, 52390, 58900, 61256, 64220, 67600, 76570, 80275, 80600, 83824, 98800, 99541, 104780, 117800, 122512, 128440, 130975, 153140, 160550, 161200, 191425, 199082, 209560, 235600, 256880, 261950, 306280, 321100, 382850, 398164, 419120, 497705, 523900, 612560, 642200, 765700, 796328, 995410, 1047800, 1284400, 1531400, 1592656, 1990820, 2095600, 2488525, 3062800, 3981640, 4977050, 7963280, 9954100, 19908200, 39816400]

約数ペア:

[(1, 39816400), (2, 19908200), (4, 9954100), (5, 7963280), (8, 4977050), (10, 3981640), (13, 3062800), (16, 2488525), (19, 2095600), (20, 1990820), (25, 1592656), (26, 1531400), (31, 1284400), (38, 1047800), (40, 995410), (50, 796328), (52, 765700), (62, 642200), (65, 612560), (76, 523900), (80, 497705), (95, 419120), (100, 398164), (104, 382850), (124, 321100), (130, 306280), (152, 261950), (155, 256880), (169, 235600), (190, 209560), (200, 199082), (208, 191425), (247, 161200), (248, 160550), (260, 153140), (304, 130975), (310, 128440), (325, 122512), (338, 117800), (380, 104780), (400, 99541), (403, 98800), (475, 83824), (494, 80600), (496, 80275), (520, 76570), (589, 67600), (620, 64220), (650, 61256), (676, 58900), (760, 52390), (775, 51376), (806, 49400), (845, 47120), (950, 41912), (988, 40300), (1040, 38285), (1178, 33800), (1235, 32240), (1240, 32110), (1300, 30628), (1352, 29450), (1520, 26195), (1550, 25688), (1612, 24700), (1690, 23560), (1900, 20956), (1976, 20150), (2015, 19760), (2356, 16900), (2470, 16120), (2480, 16055), (2600, 15314), (2704, 14725), (2945, 13520), (3100, 12844), (3211, 12400), (3224, 12350), (3380, 11780), (3800, 10478), (3952, 10075), (4030, 9880), (4225, 9424), (4712, 8450), (4940, 8060), (5200, 7657), (5239, 7600), (5890, 6760), (6175, 6448), (6200, 6422)]