135845320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261241}}^1$

素因数の和:261265

約数の個数: 32

約数和(自身を含む): 329164920

約数和(自身を除く): 193319600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 261241, 522482, 1044964, 1306205, 2089928, 2612410, 3396133, 5224820, 6792266, 10449640, 13584532, 16980665, 27169064, 33961330, 67922660, 135845320]

約数ペア:

[(1, 135845320), (2, 67922660), (4, 33961330), (5, 27169064), (8, 16980665), (10, 13584532), (13, 10449640), (20, 6792266), (26, 5224820), (40, 3396133), (52, 2612410), (65, 2089928), (104, 1306205), (130, 1044964), (260, 522482), (520, 261241)]