8442620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9817}}^1$

素因数の和:9869

約数の個数: 24

約数和(自身を含む): 18143664

約数和(自身を除く): 9701044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9817, 19634, 39268, 49085, 98170, 196340, 422131, 844262, 1688524, 2110655, 4221310, 8442620]

約数ペア:

[(1, 8442620), (2, 4221310), (4, 2110655), (5, 1688524), (10, 844262), (20, 422131), (43, 196340), (86, 98170), (172, 49085), (215, 39268), (430, 19634), (860, 9817)]