16856120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7951}}^1$

素因数の和:8015

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 21790600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7951, 15902, 31804, 39755, 63608, 79510, 159020, 318040, 421403, 842806, 1685612, 2107015, 3371224, 4214030, 8428060, 16856120]

約数ペア:

[(1, 16856120), (2, 8428060), (4, 4214030), (5, 3371224), (8, 2107015), (10, 1685612), (20, 842806), (40, 421403), (53, 318040), (106, 159020), (212, 79510), (265, 63608), (424, 39755), (530, 31804), (1060, 15902), (2120, 7951)]