12970640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 30583608

約数和(自身を除く): 17612968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2221, 2920, 4442, 5840, 8884, 11105, 17768, 22210, 35536, 44420, 88840, 162133, 177680, 324266, 648532, 810665, 1297064, 1621330, 2594128, 3242660, 6485320, 12970640]

約数ペア:

[(1, 12970640), (2, 6485320), (4, 3242660), (5, 2594128), (8, 1621330), (10, 1297064), (16, 810665), (20, 648532), (40, 324266), (73, 177680), (80, 162133), (146, 88840), (292, 44420), (365, 35536), (584, 22210), (730, 17768), (1168, 11105), (1460, 8884), (2221, 5840), (2920, 4442)]