20161225240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38771587}}^1$

素因数の和:38771611

約数の個数: 32

約数和(自身を含む): 48852200880

約数和(自身を除く): 28690975640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38771587, 77543174, 155086348, 193857935, 310172696, 387715870, 504030631, 775431740, 1008061262, 1550863480, 2016122524, 2520153155, 4032245048, 5040306310, 10080612620, 20161225240]

約数ペア:

[(1, 20161225240), (2, 10080612620), (4, 5040306310), (5, 4032245048), (8, 2520153155), (10, 2016122524), (13, 1550863480), (20, 1008061262), (26, 775431740), (40, 504030631), (52, 387715870), (65, 310172696), (104, 193857935), (130, 155086348), (260, 77543174), (520, 38771587)]