79640020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209579}}^1$

素因数の和:209607

約数の個数: 24

約数和(自身を含む): 176047200

約数和(自身を除く): 96407180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 209579, 419158, 838316, 1047895, 2095790, 3982001, 4191580, 7964002, 15928004, 19910005, 39820010, 79640020]

約数ペア:

[(1, 79640020), (2, 39820010), (4, 19910005), (5, 15928004), (10, 7964002), (19, 4191580), (20, 3982001), (38, 2095790), (76, 1047895), (95, 838316), (190, 419158), (380, 209579)]