64999480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2589

約数の個数: 96

約数和(自身を含む): 183284640

約数和(自身を除く): 118285160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 2551, 3185, 3640, 5096, 5102, 6370, 10204, 12740, 12755, 17857, 20408, 25480, 25510, 33163, 35714, 51020, 66326, 71428, 89285, 102040, 124999, 132652, 142856, 165815, 178570, 232141, 249998, 265304, 331630, 357140, 464282, 499996, 624995, 663260, 714280, 928564, 999992, 1160705, 1249990, 1326520, 1624987, 1857128, 2321410, 2499980, 3249974, 4642820, 4999960, 6499948, 8124935, 9285640, 12999896, 16249870, 32499740, 64999480]

約数ペア:

[(1, 64999480), (2, 32499740), (4, 16249870), (5, 12999896), (7, 9285640), (8, 8124935), (10, 6499948), (13, 4999960), (14, 4642820), (20, 3249974), (26, 2499980), (28, 2321410), (35, 1857128), (40, 1624987), (49, 1326520), (52, 1249990), (56, 1160705), (65, 999992), (70, 928564), (91, 714280), (98, 663260), (104, 624995), (130, 499996), (140, 464282), (182, 357140), (196, 331630), (245, 265304), (260, 249998), (280, 232141), (364, 178570), (392, 165815), (455, 142856), (490, 132652), (520, 124999), (637, 102040), (728, 89285), (910, 71428), (980, 66326), (1274, 51020), (1820, 35714), (1960, 33163), (2548, 25510), (2551, 25480), (3185, 20408), (3640, 17857), (5096, 12755), (5102, 12740), (6370, 10204)]