86138860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{42643}}^1$

素因数の和:42753

約数の個数: 24

約数和(自身を含む): 182686896

約数和(自身を除く): 96548036

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 42643, 85286, 170572, 213215, 426430, 852860, 4306943, 8613886, 17227772, 21534715, 43069430, 86138860]

約数ペア:

[(1, 86138860), (2, 43069430), (4, 21534715), (5, 17227772), (10, 8613886), (20, 4306943), (101, 852860), (202, 426430), (404, 213215), (505, 170572), (1010, 85286), (2020, 42643)]