65213620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9851}}^1$

素因数の和:10191

約数の個数: 24

約数和(自身を含む): 137376288

約数和(自身を除く): 72162668

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 9851, 19702, 39404, 49255, 98510, 197020, 3260681, 6521362, 13042724, 16303405, 32606810, 65213620]

約数ペア:

[(1, 65213620), (2, 32606810), (4, 16303405), (5, 13042724), (10, 6521362), (20, 3260681), (331, 197020), (662, 98510), (1324, 49255), (1655, 39404), (3310, 19702), (6620, 9851)]