87294140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140797}}^1$

素因数の和:140837

約数の個数: 24

約数和(自身を含む): 189232512

約数和(自身を除く): 101938372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 140797, 281594, 563188, 703985, 1407970, 2815940, 4364707, 8729414, 17458828, 21823535, 43647070, 87294140]

約数ペア:

[(1, 87294140), (2, 43647070), (4, 21823535), (5, 17458828), (10, 8729414), (20, 4364707), (31, 2815940), (62, 1407970), (124, 703985), (155, 563188), (310, 281594), (620, 140797)]