68400260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110323}}^1$

素因数の和:110363

約数の個数: 24

約数和(自身を含む): 148275456

約数和(自身を除く): 79875196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110323, 220646, 441292, 551615, 1103230, 2206460, 3420013, 6840026, 13680052, 17100065, 34200130, 68400260]

約数ペア:

[(1, 68400260), (2, 34200130), (4, 17100065), (5, 13680052), (10, 6840026), (20, 3420013), (31, 2206460), (62, 1103230), (124, 551615), (155, 441292), (310, 220646), (620, 110323)]