77984660

素因数分解:

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

素因数の和:299963

約数の個数: 24

約数和(自身を含む): 176365896

約数和(自身を除く): 98381236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299941, 599882, 1199764, 1499705, 2999410, 3899233, 5998820, 7798466, 15596932, 19496165, 38992330, 77984660]

約数ペア:

[(1, 77984660), (2, 38992330), (4, 19496165), (5, 15596932), (10, 7798466), (13, 5998820), (20, 3899233), (26, 2999410), (52, 1499705), (65, 1199764), (130, 599882), (260, 299941)]