38662520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 94500000

約数和(自身を除く): 55837480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 499, 520, 596, 745, 998, 1192, 1490, 1937, 1996, 2495, 2980, 3874, 3992, 4990, 5960, 6487, 7748, 9685, 9980, 12974, 15496, 19370, 19960, 25948, 32435, 38740, 51896, 64870, 74351, 77480, 129740, 148702, 259480, 297404, 371755, 594808, 743510, 966563, 1487020, 1933126, 2974040, 3866252, 4832815, 7732504, 9665630, 19331260, 38662520]

約数ペア:

[(1, 38662520), (2, 19331260), (4, 9665630), (5, 7732504), (8, 4832815), (10, 3866252), (13, 2974040), (20, 1933126), (26, 1487020), (40, 966563), (52, 743510), (65, 594808), (104, 371755), (130, 297404), (149, 259480), (260, 148702), (298, 129740), (499, 77480), (520, 74351), (596, 64870), (745, 51896), (998, 38740), (1192, 32435), (1490, 25948), (1937, 19960), (1996, 19370), (2495, 15496), (2980, 12974), (3874, 9980), (3992, 9685), (4990, 7748), (5960, 6487)]