9945920

素因数分解:

$2^6\times 5^1\times {\mathrm{31081}}^1$

素因数の和:31098

約数の個数: 28

約数和(自身を含む): 23684484

約数和(自身を除く): 13738564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 31081, 62162, 124324, 155405, 248648, 310810, 497296, 621620, 994592, 1243240, 1989184, 2486480, 4972960, 9945920]

約数ペア:

[(1, 9945920), (2, 4972960), (4, 2486480), (5, 1989184), (8, 1243240), (10, 994592), (16, 621620), (20, 497296), (32, 310810), (40, 248648), (64, 155405), (80, 124324), (160, 62162), (320, 31081)]