20125529320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38702941}}^1$

素因数の和:38702965

約数の個数: 32

約数和(自身を含む): 48765706920

約数和(自身を除く): 28640177600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38702941, 77405882, 154811764, 193514705, 309623528, 387029410, 503138233, 774058820, 1006276466, 1548117640, 2012552932, 2515691165, 4025105864, 5031382330, 10062764660, 20125529320]

約数ペア:

[(1, 20125529320), (2, 10062764660), (4, 5031382330), (5, 4025105864), (8, 2515691165), (10, 2012552932), (13, 1548117640), (20, 1006276466), (26, 774058820), (40, 503138233), (52, 387029410), (65, 309623528), (104, 193514705), (130, 154811764), (260, 77405882), (520, 38702941)]