80696020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{11239}}^1$

素因数の和:11607

約数の個数: 24

約数和(自身を含む): 169948800

約数和(自身を除く): 89252780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 11239, 22478, 44956, 56195, 112390, 224780, 4034801, 8069602, 16139204, 20174005, 40348010, 80696020]

約数ペア:

[(1, 80696020), (2, 40348010), (4, 20174005), (5, 16139204), (10, 8069602), (20, 4034801), (359, 224780), (718, 112390), (1436, 56195), (1795, 44956), (3590, 22478), (7180, 11239)]