72940820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{158567}}^1$

素因数の和:158599

約数の個数: 24

約数和(自身を含む): 159836544

約数和(自身を除く): 86895724

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 158567, 317134, 634268, 792835, 1585670, 3171340, 3647041, 7294082, 14588164, 18235205, 36470410, 72940820]

約数ペア:

[(1, 72940820), (2, 36470410), (4, 18235205), (5, 14588164), (10, 7294082), (20, 3647041), (23, 3171340), (46, 1585670), (92, 792835), (115, 634268), (230, 317134), (460, 158567)]