66211340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254659}}^1$

素因数の和:254681

約数の個数: 24

約数和(自身を含む): 149740080

約数和(自身を除く): 83528740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254659, 509318, 1018636, 1273295, 2546590, 3310567, 5093180, 6621134, 13242268, 16552835, 33105670, 66211340]

約数ペア:

[(1, 66211340), (2, 33105670), (4, 16552835), (5, 13242268), (10, 6621134), (13, 5093180), (20, 3310567), (26, 2546590), (52, 1273295), (65, 1018636), (130, 509318), (260, 254659)]