66872020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{175979}}^1$

素因数の和:176007

約数の個数: 24

約数和(自身を含む): 147823200

約数和(自身を除く): 80951180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 175979, 351958, 703916, 879895, 1759790, 3343601, 3519580, 6687202, 13374404, 16718005, 33436010, 66872020]

約数ペア:

[(1, 66872020), (2, 33436010), (4, 16718005), (5, 13374404), (10, 6687202), (19, 3519580), (20, 3343601), (38, 1759790), (76, 879895), (95, 703916), (190, 351958), (380, 175979)]