86420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 189000

約数和(自身を除く): 102580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 43210, 86420]

約数ペア:

[(1, 86420), (2, 43210), (4, 21605), (5, 17284), (10, 8642), (20, 4321), (29, 2980), (58, 1490), (116, 745), (145, 596), (149, 580), (290, 298)]