3989620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10499}}^1$

素因数の和:10527

約数の個数: 24

約数和(自身を含む): 8820000

約数和(自身を除く): 4830380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10499, 20998, 41996, 52495, 104990, 199481, 209980, 398962, 797924, 997405, 1994810, 3989620]

約数ペア:

[(1, 3989620), (2, 1994810), (4, 997405), (5, 797924), (10, 398962), (19, 209980), (20, 199481), (38, 104990), (76, 52495), (95, 41996), (190, 20998), (380, 10499)]