89940640

素因数分解:

$2^5\times 5^1\times {\mathrm{562129}}^1$

素因数の和:562144

約数の個数: 24

約数和(自身を含む): 212485140

約数和(自身を除く): 122544500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 562129, 1124258, 2248516, 2810645, 4497032, 5621290, 8994064, 11242580, 17988128, 22485160, 44970320, 89940640]

約数ペア:

[(1, 89940640), (2, 44970320), (4, 22485160), (5, 17988128), (8, 11242580), (10, 8994064), (16, 5621290), (20, 4497032), (32, 2810645), (40, 2248516), (80, 1124258), (160, 562129)]