54815240

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2791}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 123629760

約数和(自身を除く): 68814520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 2791, 3928, 4910, 5582, 9820, 11164, 13955, 19640, 22328, 27910, 55820, 111640, 1370381, 2740762, 5481524, 6851905, 10963048, 13703810, 27407620, 54815240]

約数ペア:

[(1, 54815240), (2, 27407620), (4, 13703810), (5, 10963048), (8, 6851905), (10, 5481524), (20, 2740762), (40, 1370381), (491, 111640), (982, 55820), (1964, 27910), (2455, 22328), (2791, 19640), (3928, 13955), (4910, 11164), (5582, 9820)]