89889680

素因数分解:

$2^4\times 5^1\times {\mathrm{1123621}}^1$

素因数の和:1123634

約数の個数: 20

約数和(自身を含む): 208993692

約数和(自身を除く): 119104012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123621, 2247242, 4494484, 5618105, 8988968, 11236210, 17977936, 22472420, 44944840, 89889680]

約数ペア:

[(1, 89889680), (2, 44944840), (4, 22472420), (5, 17977936), (8, 11236210), (10, 8988968), (16, 5618105), (20, 4494484), (40, 2247242), (80, 1123621)]