68054920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 92441720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 773, 1240, 1420, 1546, 2201, 2840, 3092, 3865, 4402, 6184, 7730, 8804, 11005, 15460, 17608, 22010, 23963, 30920, 44020, 47926, 54883, 88040, 95852, 109766, 119815, 191704, 219532, 239630, 274415, 439064, 479260, 548830, 958520, 1097660, 1701373, 2195320, 3402746, 6805492, 8506865, 13610984, 17013730, 34027460, 68054920]

約数ペア:

[(1, 68054920), (2, 34027460), (4, 17013730), (5, 13610984), (8, 8506865), (10, 6805492), (20, 3402746), (31, 2195320), (40, 1701373), (62, 1097660), (71, 958520), (124, 548830), (142, 479260), (155, 439064), (248, 274415), (284, 239630), (310, 219532), (355, 191704), (568, 119815), (620, 109766), (710, 95852), (773, 88040), (1240, 54883), (1420, 47926), (1546, 44020), (2201, 30920), (2840, 23963), (3092, 22010), (3865, 17608), (4402, 15460), (6184, 11005), (7730, 8804)]