39919020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1277}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 112075488

約数和(自身を除く): 72156468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1277, 1563, 2084, 2554, 2605, 3126, 3831, 5108, 5210, 6252, 6385, 7662, 7815, 10420, 12770, 15324, 15630, 19155, 25540, 31260, 38310, 76620, 665317, 1330634, 1995951, 2661268, 3326585, 3991902, 6653170, 7983804, 9979755, 13306340, 19959510, 39919020]

約数ペア:

[(1, 39919020), (2, 19959510), (3, 13306340), (4, 9979755), (5, 7983804), (6, 6653170), (10, 3991902), (12, 3326585), (15, 2661268), (20, 1995951), (30, 1330634), (60, 665317), (521, 76620), (1042, 38310), (1277, 31260), (1563, 25540), (2084, 19155), (2554, 15630), (2605, 15324), (3126, 12770), (3831, 10420), (5108, 7815), (5210, 7662), (6252, 6385)]