71379160

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9859}}^1$

素因数の和:10051

約数の個数: 32

約数和(自身を含む): 161506800

約数和(自身を除く): 90127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 9859, 19718, 39436, 49295, 78872, 98590, 197180, 394360, 1784479, 3568958, 7137916, 8922395, 14275832, 17844790, 35689580, 71379160]

約数ペア:

[(1, 71379160), (2, 35689580), (4, 17844790), (5, 14275832), (8, 8922395), (10, 7137916), (20, 3568958), (40, 1784479), (181, 394360), (362, 197180), (724, 98590), (905, 78872), (1448, 49295), (1810, 39436), (3620, 19718), (7240, 9859)]