156716440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{14897}}^1$

素因数の和:15171

約数の個数: 32

約数和(自身を含む): 353976480

約数和(自身を除く): 197260040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 14897, 29794, 59588, 74485, 119176, 148970, 297940, 595880, 3917911, 7835822, 15671644, 19589555, 31343288, 39179110, 78358220, 156716440]

約数ペア:

[(1, 156716440), (2, 78358220), (4, 39179110), (5, 31343288), (8, 19589555), (10, 15671644), (20, 7835822), (40, 3917911), (263, 595880), (526, 297940), (1052, 148970), (1315, 119176), (2104, 74485), (2630, 59588), (5260, 29794), (10520, 14897)]