84975560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26891}}^1$

素因数の和:26981

約数の個数: 32

約数和(自身を含む): 193622400

約数和(自身を除く): 108646840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 26891, 53782, 107564, 134455, 215128, 268910, 537820, 1075640, 2124389, 4248778, 8497556, 10621945, 16995112, 21243890, 42487780, 84975560]

約数ペア:

[(1, 84975560), (2, 42487780), (4, 21243890), (5, 16995112), (8, 10621945), (10, 8497556), (20, 4248778), (40, 2124389), (79, 1075640), (158, 537820), (316, 268910), (395, 215128), (632, 134455), (790, 107564), (1580, 53782), (3160, 26891)]