25498000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 160

約数和(自身を含む): 71959680

約数和(自身を除く): 46461680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 61, 76, 80, 88, 95, 100, 110, 122, 125, 152, 176, 190, 200, 209, 220, 244, 250, 275, 304, 305, 380, 400, 418, 440, 475, 488, 500, 550, 610, 671, 760, 836, 880, 950, 976, 1000, 1045, 1100, 1159, 1220, 1342, 1375, 1520, 1525, 1672, 1900, 2000, 2090, 2200, 2318, 2375, 2440, 2684, 2750, 3050, 3344, 3355, 3800, 4180, 4400, 4636, 4750, 4880, 5225, 5368, 5500, 5795, 6100, 6710, 7600, 7625, 8360, 9272, 9500, 10450, 10736, 11000, 11590, 12200, 12749, 13420, 15250, 16720, 16775, 18544, 19000, 20900, 22000, 23180, 24400, 25498, 26125, 26840, 28975, 30500, 33550, 38000, 41800, 46360, 50996, 52250, 53680, 57950, 61000, 63745, 67100, 83600, 83875, 92720, 101992, 104500, 115900, 122000, 127490, 134200, 144875, 167750, 203984, 209000, 231800, 254980, 268400, 289750, 318725, 335500, 418000, 463600, 509960, 579500, 637450, 671000, 1019920, 1159000, 1274900, 1342000, 1593625, 2318000, 2549800, 3187250, 5099600, 6374500, 12749000, 25498000]

約数ペア:

[(1, 25498000), (2, 12749000), (4, 6374500), (5, 5099600), (8, 3187250), (10, 2549800), (11, 2318000), (16, 1593625), (19, 1342000), (20, 1274900), (22, 1159000), (25, 1019920), (38, 671000), (40, 637450), (44, 579500), (50, 509960), (55, 463600), (61, 418000), (76, 335500), (80, 318725), (88, 289750), (95, 268400), (100, 254980), (110, 231800), (122, 209000), (125, 203984), (152, 167750), (176, 144875), (190, 134200), (200, 127490), (209, 122000), (220, 115900), (244, 104500), (250, 101992), (275, 92720), (304, 83875), (305, 83600), (380, 67100), (400, 63745), (418, 61000), (440, 57950), (475, 53680), (488, 52250), (500, 50996), (550, 46360), (610, 41800), (671, 38000), (760, 33550), (836, 30500), (880, 28975), (950, 26840), (976, 26125), (1000, 25498), (1045, 24400), (1100, 23180), (1159, 22000), (1220, 20900), (1342, 19000), (1375, 18544), (1520, 16775), (1525, 16720), (1672, 15250), (1900, 13420), (2000, 12749), (2090, 12200), (2200, 11590), (2318, 11000), (2375, 10736), (2440, 10450), (2684, 9500), (2750, 9272), (3050, 8360), (3344, 7625), (3355, 7600), (3800, 6710), (4180, 6100), (4400, 5795), (4636, 5500), (4750, 5368), (4880, 5225)]