85397180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{388169}}^1$

素因数の和:388189

約数の個数: 24

約数和(自身を含む): 195637680

約数和(自身を除く): 110240500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 388169, 776338, 1552676, 1940845, 3881690, 4269859, 7763380, 8539718, 17079436, 21349295, 42698590, 85397180]

約数ペア:

[(1, 85397180), (2, 42698590), (4, 21349295), (5, 17079436), (10, 8539718), (11, 7763380), (20, 4269859), (22, 3881690), (44, 1940845), (55, 1552676), (110, 776338), (220, 388169)]