85227980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69859}}^1$

素因数の和:69929

約数の個数: 24

約数和(自身を含む): 181915440

約数和(自身を除く): 96687460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 69859, 139718, 279436, 349295, 698590, 1397180, 4261399, 8522798, 17045596, 21306995, 42613990, 85227980]

約数ペア:

[(1, 85227980), (2, 42613990), (4, 21306995), (5, 17045596), (10, 8522798), (20, 4261399), (61, 1397180), (122, 698590), (244, 349295), (305, 279436), (610, 139718), (1220, 69859)]