39698980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104471}}^1$

素因数の和:104499

約数の個数: 24

約数和(自身を含む): 87756480

約数和(自身を除く): 48057500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 104471, 208942, 417884, 522355, 1044710, 1984949, 2089420, 3969898, 7939796, 9924745, 19849490, 39698980]

約数ペア:

[(1, 39698980), (2, 19849490), (4, 9924745), (5, 7939796), (10, 3969898), (19, 2089420), (20, 1984949), (38, 1044710), (76, 522355), (95, 417884), (190, 208942), (380, 104471)]