131428540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{98081}}^1$

素因数の和:98157

約数の個数: 24

約数和(自身を含む): 280122192

約数和(自身を除く): 148693652

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 98081, 196162, 392324, 490405, 980810, 1961620, 6571427, 13142854, 26285708, 32857135, 65714270, 131428540]

約数ペア:

[(1, 131428540), (2, 65714270), (4, 32857135), (5, 26285708), (10, 13142854), (20, 6571427), (67, 1961620), (134, 980810), (268, 490405), (335, 392324), (670, 196162), (1340, 98081)]