84215240

素因数分解:

$2^3\times 5^1\times {\mathrm{2105381}}^1$

素因数の和:2105392

約数の個数: 16

約数和(自身を含む): 189484380

約数和(自身を除く): 105269140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2105381, 4210762, 8421524, 10526905, 16843048, 21053810, 42107620, 84215240]

約数ペア:

[(1, 84215240), (2, 42107620), (4, 21053810), (5, 16843048), (8, 10526905), (10, 8421524), (20, 4210762), (40, 2105381)]