9956021840

素因数分解:

$2^4\times 5^1\times {\mathrm{124450273}}^1$

素因数の和:124450286

約数の個数: 20

約数和(自身を含む): 23147750964

約数和(自身を除く): 13191729124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124450273, 248900546, 497801092, 622251365, 995602184, 1244502730, 1991204368, 2489005460, 4978010920, 9956021840]

約数ペア:

[(1, 9956021840), (2, 4978010920), (4, 2489005460), (5, 1991204368), (8, 1244502730), (10, 995602184), (16, 622251365), (20, 497801092), (40, 248900546), (80, 124450273)]