79700920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153271}}^1$

素因数の和:153295

約数の個数: 32

約数和(自身を含む): 193122720

約数和(自身を除く): 113421800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153271, 306542, 613084, 766355, 1226168, 1532710, 1992523, 3065420, 3985046, 6130840, 7970092, 9962615, 15940184, 19925230, 39850460, 79700920]

約数ペア:

[(1, 79700920), (2, 39850460), (4, 19925230), (5, 15940184), (8, 9962615), (10, 7970092), (13, 6130840), (20, 3985046), (26, 3065420), (40, 1992523), (52, 1532710), (65, 1226168), (104, 766355), (130, 613084), (260, 306542), (520, 153271)]