1645491640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3164407}}^1$

素因数の和:3164431

約数の個数: 32

約数和(自身を含む): 3987154080

約数和(自身を除く): 2341662440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3164407, 6328814, 12657628, 15822035, 25315256, 31644070, 41137291, 63288140, 82274582, 126576280, 164549164, 205686455, 329098328, 411372910, 822745820, 1645491640]

約数ペア:

[(1, 1645491640), (2, 822745820), (4, 411372910), (5, 329098328), (8, 205686455), (10, 164549164), (13, 126576280), (20, 82274582), (26, 63288140), (40, 41137291), (52, 31644070), (65, 25315256), (104, 15822035), (130, 12657628), (260, 6328814), (520, 3164407)]