40608620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 92316000

約数和(自身を除く): 51707380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 499, 626, 998, 1252, 1565, 1996, 2495, 3130, 4069, 4990, 6260, 6487, 8138, 9980, 12974, 16276, 20345, 25948, 32435, 40690, 64870, 81380, 129740, 156187, 312374, 624748, 780935, 1561870, 2030431, 3123740, 4060862, 8121724, 10152155, 20304310, 40608620]

約数ペア:

[(1, 40608620), (2, 20304310), (4, 10152155), (5, 8121724), (10, 4060862), (13, 3123740), (20, 2030431), (26, 1561870), (52, 780935), (65, 624748), (130, 312374), (260, 156187), (313, 129740), (499, 81380), (626, 64870), (998, 40690), (1252, 32435), (1565, 25948), (1996, 20345), (2495, 16276), (3130, 12974), (4069, 9980), (4990, 8138), (6260, 6487)]