262191286670

素因数分解:

$2^1\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{20215211}}^1$

素因数の和:20216515

約数の個数: 16

約数和(自身を含む): 472308213168

約数和(自身を除く): 210116926498

約数列:

[1, 2, 5, 10, 1297, 2594, 6485, 12970, 20215211, 40430422, 101076055, 202152110, 26219128667, 52438257334, 131095643335, 262191286670]

約数ペア:

[(1, 262191286670), (2, 131095643335), (5, 52438257334), (10, 26219128667), (1297, 202152110), (2594, 101076055), (6485, 40430422), (12970, 20215211)]