8471420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10331}}^1$

素因数の和:10381

約数の個数: 24

約数和(自身を含む): 18225648

約数和(自身を除く): 9754228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10331, 20662, 41324, 51655, 103310, 206620, 423571, 847142, 1694284, 2117855, 4235710, 8471420]

約数ペア:

[(1, 8471420), (2, 4235710), (4, 2117855), (5, 1694284), (10, 847142), (20, 423571), (41, 206620), (82, 103310), (164, 51655), (205, 41324), (410, 20662), (820, 10331)]