30370040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17657}}^1$

素因数の和:17711

約数の個数: 32

約数和(自身を含む): 69925680

約数和(自身を除く): 39555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17657, 35314, 70628, 88285, 141256, 176570, 353140, 706280, 759251, 1518502, 3037004, 3796255, 6074008, 7592510, 15185020, 30370040]

約数ペア:

[(1, 30370040), (2, 15185020), (4, 7592510), (5, 6074008), (8, 3796255), (10, 3037004), (20, 1518502), (40, 759251), (43, 706280), (86, 353140), (172, 176570), (215, 141256), (344, 88285), (430, 70628), (860, 35314), (1720, 17657)]