233491640

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{8831}}^1$

素因数の和:9503

約数の個数: 32

約数和(自身を含む): 526210560

約数和(自身を除く): 292718920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 8831, 13220, 17662, 26440, 35324, 44155, 70648, 88310, 176620, 353240, 5837291, 11674582, 23349164, 29186455, 46698328, 58372910, 116745820, 233491640]

約数ペア:

[(1, 233491640), (2, 116745820), (4, 58372910), (5, 46698328), (8, 29186455), (10, 23349164), (20, 11674582), (40, 5837291), (661, 353240), (1322, 176620), (2644, 88310), (3305, 70648), (5288, 44155), (6610, 35324), (8831, 26440), (13220, 17662)]