6390800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1260

約数の個数: 60

約数和(自身を含む): 16548420

約数和(自身を除く): 10157620

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1229, 1300, 2458, 2600, 4916, 5200, 6145, 9832, 12290, 15977, 19664, 24580, 30725, 31954, 49160, 61450, 63908, 79885, 98320, 122900, 127816, 159770, 245800, 255632, 319540, 399425, 491600, 639080, 798850, 1278160, 1597700, 3195400, 6390800]

約数ペア:

[(1, 6390800), (2, 3195400), (4, 1597700), (5, 1278160), (8, 798850), (10, 639080), (13, 491600), (16, 399425), (20, 319540), (25, 255632), (26, 245800), (40, 159770), (50, 127816), (52, 122900), (65, 98320), (80, 79885), (100, 63908), (104, 61450), (130, 49160), (200, 31954), (208, 30725), (260, 24580), (325, 19664), (400, 15977), (520, 12290), (650, 9832), (1040, 6145), (1229, 5200), (1300, 4916), (2458, 2600)]