84117620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53239}}^1$

素因数の和:53327

約数の個数: 24

約数和(自身を含む): 178886400

約数和(自身を除く): 94768780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53239, 106478, 212956, 266195, 532390, 1064780, 4205881, 8411762, 16823524, 21029405, 42058810, 84117620]

約数ペア:

[(1, 84117620), (2, 42058810), (4, 21029405), (5, 16823524), (10, 8411762), (20, 4205881), (79, 1064780), (158, 532390), (316, 266195), (395, 212956), (790, 106478), (1580, 53239)]