57139480

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1933}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 128804400

約数和(自身を除く): 71664920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 1933, 2956, 3695, 3866, 5912, 7390, 7732, 9665, 14780, 15464, 19330, 29560, 38660, 77320, 1428487, 2856974, 5713948, 7142435, 11427896, 14284870, 28569740, 57139480]

約数ペア:

[(1, 57139480), (2, 28569740), (4, 14284870), (5, 11427896), (8, 7142435), (10, 5713948), (20, 2856974), (40, 1428487), (739, 77320), (1478, 38660), (1933, 29560), (2956, 19330), (3695, 15464), (3866, 14780), (5912, 9665), (7390, 7732)]