1304080

素因数分解:

$2^4\times 5^1\times {\mathrm{16301}}^1$

素因数の和:16314

約数の個数: 20

約数和(自身を含む): 3032172

約数和(自身を除く): 1728092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16301, 32602, 65204, 81505, 130408, 163010, 260816, 326020, 652040, 1304080]

約数ペア:

[(1, 1304080), (2, 652040), (4, 326020), (5, 260816), (8, 163010), (10, 130408), (16, 81505), (20, 65204), (40, 32602), (80, 16301)]