16627840

素因数分解:

$2^7\times 5^1\times {\mathrm{25981}}^1$

素因数の和:26000

約数の個数: 32

約数和(自身を含む): 39752460

約数和(自身を除く): 23124620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25981, 51962, 103924, 129905, 207848, 259810, 415696, 519620, 831392, 1039240, 1662784, 2078480, 3325568, 4156960, 8313920, 16627840]

約数ペア:

[(1, 16627840), (2, 8313920), (4, 4156960), (5, 3325568), (8, 2078480), (10, 1662784), (16, 1039240), (20, 831392), (32, 519620), (40, 415696), (64, 259810), (80, 207848), (128, 129905), (160, 103924), (320, 51962), (640, 25981)]