2130702920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{109379}}^1$

素因数の和:109877

約数の個数: 32

約数和(自身を含む): 4803969600

約数和(自身を除く): 2673266680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 19480, 109379, 218758, 437516, 546895, 875032, 1093790, 2187580, 4375160, 53267573, 106535146, 213070292, 266337865, 426140584, 532675730, 1065351460, 2130702920]

約数ペア:

[(1, 2130702920), (2, 1065351460), (4, 532675730), (5, 426140584), (8, 266337865), (10, 213070292), (20, 106535146), (40, 53267573), (487, 4375160), (974, 2187580), (1948, 1093790), (2435, 875032), (3896, 546895), (4870, 437516), (9740, 218758), (19480, 109379)]