155969320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299941}}^1$

素因数の和:299965

約数の個数: 32

約数和(自身を含む): 377926920

約数和(自身を除く): 221957600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 299941, 599882, 1199764, 1499705, 2399528, 2999410, 3899233, 5998820, 7798466, 11997640, 15596932, 19496165, 31193864, 38992330, 77984660, 155969320]

約数ペア:

[(1, 155969320), (2, 77984660), (4, 38992330), (5, 31193864), (8, 19496165), (10, 15596932), (13, 11997640), (20, 7798466), (26, 5998820), (40, 3899233), (52, 2999410), (65, 2399528), (104, 1499705), (130, 1199764), (260, 599882), (520, 299941)]