38943320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74891}}^1$

素因数の和:74915

約数の個数: 32

約数和(自身を含む): 94363920

約数和(自身を除く): 55420600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74891, 149782, 299564, 374455, 599128, 748910, 973583, 1497820, 1947166, 2995640, 3894332, 4867915, 7788664, 9735830, 19471660, 38943320]

約数ペア:

[(1, 38943320), (2, 19471660), (4, 9735830), (5, 7788664), (8, 4867915), (10, 3894332), (13, 2995640), (20, 1947166), (26, 1497820), (40, 973583), (52, 748910), (65, 599128), (104, 374455), (130, 299564), (260, 149782), (520, 74891)]