55840120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199429}}^1$

素因数の和:199447

約数の個数: 32

約数和(自身を含む): 143589600

約数和(自身を除く): 87749480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199429, 398858, 797716, 997145, 1396003, 1595432, 1994290, 2792006, 3988580, 5584012, 6980015, 7977160, 11168024, 13960030, 27920060, 55840120]

約数ペア:

[(1, 55840120), (2, 27920060), (4, 13960030), (5, 11168024), (7, 7977160), (8, 6980015), (10, 5584012), (14, 3988580), (20, 2792006), (28, 1994290), (35, 1595432), (40, 1396003), (56, 997145), (70, 797716), (140, 398858), (280, 199429)]