25943320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49891}}^1$

素因数の和:49915

約数の個数: 32

約数和(自身を含む): 62863920

約数和(自身を除く): 36920600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49891, 99782, 199564, 249455, 399128, 498910, 648583, 997820, 1297166, 1995640, 2594332, 3242915, 5188664, 6485830, 12971660, 25943320]

約数ペア:

[(1, 25943320), (2, 12971660), (4, 6485830), (5, 5188664), (8, 3242915), (10, 2594332), (13, 1995640), (20, 1297166), (26, 997820), (40, 648583), (52, 498910), (65, 399128), (104, 249455), (130, 199564), (260, 99782), (520, 49891)]