12685240

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1033}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 28662480

約数和(自身を除く): 15977240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1033, 1228, 1535, 2066, 2456, 3070, 4132, 5165, 6140, 8264, 10330, 12280, 20660, 41320, 317131, 634262, 1268524, 1585655, 2537048, 3171310, 6342620, 12685240]

約数ペア:

[(1, 12685240), (2, 6342620), (4, 3171310), (5, 2537048), (8, 1585655), (10, 1268524), (20, 634262), (40, 317131), (307, 41320), (614, 20660), (1033, 12280), (1228, 10330), (1535, 8264), (2066, 6140), (2456, 5165), (3070, 4132)]