89821340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641581}}^1$

素因数の和:641597

約数の個数: 24

約数和(自身を含む): 215571552

約数和(自身を除く): 125750212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641581, 1283162, 2566324, 3207905, 4491067, 6415810, 8982134, 12831620, 17964268, 22455335, 44910670, 89821340]

約数ペア:

[(1, 89821340), (2, 44910670), (4, 22455335), (5, 17964268), (7, 12831620), (10, 8982134), (14, 6415810), (20, 4491067), (28, 3207905), (35, 2566324), (70, 1283162), (140, 641581)]