61404620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{17747}}^1$

素因数の和:17929

約数の個数: 24

約数和(自身を含む): 129702384

約数和(自身を除く): 68297764

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 17747, 35494, 70988, 88735, 177470, 354940, 3070231, 6140462, 12280924, 15351155, 30702310, 61404620]

約数ペア:

[(1, 61404620), (2, 30702310), (4, 15351155), (5, 12280924), (10, 6140462), (20, 3070231), (173, 354940), (346, 177470), (692, 88735), (865, 70988), (1730, 35494), (3460, 17747)]