28746218440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{23747}}^1$

素因数の和:24382

約数の個数: 64

約数和(自身を含む): 66017540160

約数和(自身を除く): 37271321720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 571, 1060, 1142, 2120, 2284, 2855, 4568, 5710, 11420, 22840, 23747, 30263, 47494, 60526, 94988, 118735, 121052, 151315, 189976, 237470, 242104, 302630, 474940, 605260, 949880, 1210520, 1258591, 2517182, 5034364, 6292955, 10068728, 12585910, 13559537, 25171820, 27119074, 50343640, 54238148, 67797685, 108476296, 135595370, 271190740, 542381480, 718655461, 1437310922, 2874621844, 3593277305, 5749243688, 7186554610, 14373109220, 28746218440]

約数ペア:

[(1, 28746218440), (2, 14373109220), (4, 7186554610), (5, 5749243688), (8, 3593277305), (10, 2874621844), (20, 1437310922), (40, 718655461), (53, 542381480), (106, 271190740), (212, 135595370), (265, 108476296), (424, 67797685), (530, 54238148), (571, 50343640), (1060, 27119074), (1142, 25171820), (2120, 13559537), (2284, 12585910), (2855, 10068728), (4568, 6292955), (5710, 5034364), (11420, 2517182), (22840, 1258591), (23747, 1210520), (30263, 949880), (47494, 605260), (60526, 474940), (94988, 302630), (118735, 242104), (121052, 237470), (151315, 189976)]