8313920

素因数分解:

$2^6\times 5^1\times {\mathrm{25981}}^1$

素因数の和:25998

約数の個数: 28

約数和(自身を含む): 19798284

約数和(自身を除く): 11484364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 25981, 51962, 103924, 129905, 207848, 259810, 415696, 519620, 831392, 1039240, 1662784, 2078480, 4156960, 8313920]

約数ペア:

[(1, 8313920), (2, 4156960), (4, 2078480), (5, 1662784), (8, 1039240), (10, 831392), (16, 519620), (20, 415696), (32, 259810), (40, 207848), (64, 129905), (80, 103924), (160, 51962), (320, 25981)]