64182320

素因数分解:

$2^4\times 5^1\times {\mathrm{802279}}^1$

素因数の和:802292

約数の個数: 20

約数和(自身を含む): 149224080

約数和(自身を除く): 85041760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 802279, 1604558, 3209116, 4011395, 6418232, 8022790, 12836464, 16045580, 32091160, 64182320]

約数ペア:

[(1, 64182320), (2, 32091160), (4, 16045580), (5, 12836464), (8, 8022790), (10, 6418232), (16, 4011395), (20, 3209116), (40, 1604558), (80, 802279)]