868785020

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{98057}}^1$

素因数の和:98509

約数の個数: 24

約数和(自身を含む): 1828585584

約数和(自身を除く): 959800564

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 98057, 196114, 392228, 490285, 980570, 1961140, 43439251, 86878502, 173757004, 217196255, 434392510, 868785020]

約数ペア:

[(1, 868785020), (2, 434392510), (4, 217196255), (5, 173757004), (10, 86878502), (20, 43439251), (443, 1961140), (886, 980570), (1772, 490285), (2215, 392228), (4430, 196114), (8860, 98057)]