214936720

素因数分解:

$2^4\times 5^1\times {\mathrm{2686709}}^1$

素因数の和:2686722

約数の個数: 20

約数和(自身を含む): 499728060

約数和(自身を除く): 284791340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2686709, 5373418, 10746836, 13433545, 21493672, 26867090, 42987344, 53734180, 107468360, 214936720]

約数ペア:

[(1, 214936720), (2, 107468360), (4, 53734180), (5, 42987344), (8, 26867090), (10, 21493672), (16, 13433545), (20, 10746836), (40, 5373418), (80, 2686709)]