89667620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640483}}^1$

素因数の和:640499

約数の個数: 24

約数和(自身を含む): 215202624

約数和(自身を除く): 125535004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640483, 1280966, 2561932, 3202415, 4483381, 6404830, 8966762, 12809660, 17933524, 22416905, 44833810, 89667620]

約数ペア:

[(1, 89667620), (2, 44833810), (4, 22416905), (5, 17933524), (7, 12809660), (10, 8966762), (14, 6404830), (20, 4483381), (28, 3202415), (35, 2561932), (70, 1280966), (140, 640483)]