16613680

素因数分解:

$2^4\times 5^1\times {\mathrm{207671}}^1$

素因数の和:207684

約数の個数: 20

約数和(自身を含む): 38626992

約数和(自身を除く): 22013312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 207671, 415342, 830684, 1038355, 1661368, 2076710, 3322736, 4153420, 8306840, 16613680]

約数ペア:

[(1, 16613680), (2, 8306840), (4, 4153420), (5, 3322736), (8, 2076710), (10, 1661368), (16, 1038355), (20, 830684), (40, 415342), (80, 207671)]