155113220

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{23431}}^1$

素因数の和:23771

約数の個数: 24

約数和(自身を含む): 326735808

約数和(自身を除く): 171622588

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 23431, 46862, 93724, 117155, 234310, 468620, 7755661, 15511322, 31022644, 38778305, 77556610, 155113220]

約数ペア:

[(1, 155113220), (2, 77556610), (4, 38778305), (5, 31022644), (10, 15511322), (20, 7755661), (331, 468620), (662, 234310), (1324, 117155), (1655, 93724), (3310, 46862), (6620, 23431)]