83016860

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{2089}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 174506640

約数和(自身を除く): 91489780

約数列:

[1, 2, 4, 5, 10, 20, 1987, 2089, 3974, 4178, 7948, 8356, 9935, 10445, 19870, 20890, 39740, 41780, 4150843, 8301686, 16603372, 20754215, 41508430, 83016860]

約数ペア:

[(1, 83016860), (2, 41508430), (4, 20754215), (5, 16603372), (10, 8301686), (20, 4150843), (1987, 41780), (2089, 39740), (3974, 20890), (4178, 19870), (7948, 10445), (8356, 9935)]