39239620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1163}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 94647168

約数和(自身を除く): 55407548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1163, 1205, 1687, 2326, 2410, 3374, 4652, 4820, 5815, 6748, 8141, 8435, 11630, 16282, 16870, 23260, 32564, 33740, 40705, 81410, 162820, 280283, 560566, 1121132, 1401415, 1961981, 2802830, 3923962, 5605660, 7847924, 9809905, 19619810, 39239620]

約数ペア:

[(1, 39239620), (2, 19619810), (4, 9809905), (5, 7847924), (7, 5605660), (10, 3923962), (14, 2802830), (20, 1961981), (28, 1401415), (35, 1121132), (70, 560566), (140, 280283), (241, 162820), (482, 81410), (964, 40705), (1163, 33740), (1205, 32564), (1687, 23260), (2326, 16870), (2410, 16282), (3374, 11630), (4652, 8435), (4820, 8141), (5815, 6748)]