4260487480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 10100090880

約数和(自身を除く): 5839603400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 163, 197, 214, 248, 310, 326, 394, 428, 535, 620, 652, 788, 815, 856, 985, 1070, 1240, 1304, 1576, 1630, 1970, 2140, 3260, 3317, 3940, 4280, 5053, 6107, 6520, 6634, 7880, 10106, 12214, 13268, 16585, 17441, 20212, 21079, 24428, 25265, 26536, 30535, 32111, 33170, 34882, 40424, 42158, 48856, 50530, 61070, 64222, 66340, 69764, 84316, 87205, 101060, 105395, 122140, 128444, 132680, 139528, 160555, 168632, 174410, 202120, 210790, 244280, 256888, 321110, 348820, 421580, 540671, 642220, 653449, 697640, 843160, 995441, 1081342, 1284440, 1306898, 1990882, 2162684, 2613796, 2703355, 3267245, 3435877, 3981764, 4325368, 4977205, 5227592, 5406710, 6534490, 6871754, 7963528, 9954410, 10813420, 13068980, 13743508, 17179385, 19908820, 21626840, 26137960, 27487016, 34358770, 39817640, 68717540, 106512187, 137435080, 213024374, 426048748, 532560935, 852097496, 1065121870, 2130243740, 4260487480]

約数ペア:

[(1, 4260487480), (2, 2130243740), (4, 1065121870), (5, 852097496), (8, 532560935), (10, 426048748), (20, 213024374), (31, 137435080), (40, 106512187), (62, 68717540), (107, 39817640), (124, 34358770), (155, 27487016), (163, 26137960), (197, 21626840), (214, 19908820), (248, 17179385), (310, 13743508), (326, 13068980), (394, 10813420), (428, 9954410), (535, 7963528), (620, 6871754), (652, 6534490), (788, 5406710), (815, 5227592), (856, 4977205), (985, 4325368), (1070, 3981764), (1240, 3435877), (1304, 3267245), (1576, 2703355), (1630, 2613796), (1970, 2162684), (2140, 1990882), (3260, 1306898), (3317, 1284440), (3940, 1081342), (4280, 995441), (5053, 843160), (6107, 697640), (6520, 653449), (6634, 642220), (7880, 540671), (10106, 421580), (12214, 348820), (13268, 321110), (16585, 256888), (17441, 244280), (20212, 210790), (21079, 202120), (24428, 174410), (25265, 168632), (26536, 160555), (30535, 139528), (32111, 132680), (33170, 128444), (34882, 122140), (40424, 105395), (42158, 101060), (48856, 87205), (50530, 84316), (61070, 69764), (64222, 66340)]