64068460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{86579}}^1$

素因数の和:86625

約数の個数: 24

約数和(自身を含む): 138181680

約数和(自身を除く): 74113220

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 86579, 173158, 346316, 432895, 865790, 1731580, 3203423, 6406846, 12813692, 16017115, 32034230, 64068460]

約数ペア:

[(1, 64068460), (2, 32034230), (4, 16017115), (5, 12813692), (10, 6406846), (20, 3203423), (37, 1731580), (74, 865790), (148, 432895), (185, 346316), (370, 173158), (740, 86579)]