89710640

素因数分解:

$2^4\times 5^1\times {\mathrm{1121383}}^1$

素因数の和:1121396

約数の個数: 20

約数和(自身を含む): 208577424

約数和(自身を除く): 118866784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121383, 2242766, 4485532, 5606915, 8971064, 11213830, 17942128, 22427660, 44855320, 89710640]

約数ペア:

[(1, 89710640), (2, 44855320), (4, 22427660), (5, 17942128), (8, 11213830), (10, 8971064), (16, 5606915), (20, 4485532), (40, 2242766), (80, 1121383)]