164020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 352800

約数和(自身を除く): 188780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 236, 278, 295, 556, 590, 695, 1180, 1390, 2780, 8201, 16402, 32804, 41005, 82010, 164020]

約数ペア:

[(1, 164020), (2, 82010), (4, 41005), (5, 32804), (10, 16402), (20, 8201), (59, 2780), (118, 1390), (139, 1180), (236, 695), (278, 590), (295, 556)]