215980340

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{10159}}^1$

素因数の和:11231

約数の個数: 24

約数和(自身を含む): 454030080

約数和(自身を除く): 238049740

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 4252, 5315, 10159, 10630, 20318, 21260, 40636, 50795, 101590, 203180, 10799017, 21598034, 43196068, 53995085, 107990170, 215980340]

約数ペア:

[(1, 215980340), (2, 107990170), (4, 53995085), (5, 43196068), (10, 21598034), (20, 10799017), (1063, 203180), (2126, 101590), (4252, 50795), (5315, 40636), (10159, 21260), (10630, 20318)]