8369140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32189}}^1$

素因数の和:32211

約数の個数: 24

約数和(自身を含む): 18927720

約数和(自身を除く): 10558580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32189, 64378, 128756, 160945, 321890, 418457, 643780, 836914, 1673828, 2092285, 4184570, 8369140]

約数ペア:

[(1, 8369140), (2, 4184570), (4, 2092285), (5, 1673828), (10, 836914), (13, 643780), (20, 418457), (26, 321890), (52, 160945), (65, 128756), (130, 64378), (260, 32189)]