81096020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{39367}}^1$

素因数の和:39479

約数の個数: 24

約数和(自身を含む): 171959424

約数和(自身を除く): 90863404

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 39367, 78734, 157468, 196835, 393670, 787340, 4054801, 8109602, 16219204, 20274005, 40548010, 81096020]

約数ペア:

[(1, 81096020), (2, 40548010), (4, 20274005), (5, 16219204), (10, 8109602), (20, 4054801), (103, 787340), (206, 393670), (412, 196835), (515, 157468), (1030, 78734), (2060, 39367)]