65395180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13681}}^1$

素因数の和:13929

約数の個数: 24

約数和(自身を含む): 137914560

約数和(自身を除く): 72519380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 13681, 27362, 54724, 68405, 136810, 273620, 3269759, 6539518, 13079036, 16348795, 32697590, 65395180]

約数ペア:

[(1, 65395180), (2, 32697590), (4, 16348795), (5, 13079036), (10, 6539518), (20, 3269759), (239, 273620), (478, 136810), (956, 68405), (1195, 54724), (2390, 27362), (4780, 13681)]