78425210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191281}}^1$

素因数の和:191329

約数の個数: 16

約数和(自身を含む): 144609192

約数和(自身を除く): 66183982

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 191281, 382562, 956405, 1912810, 7842521, 15685042, 39212605, 78425210]

約数ペア:

[(1, 78425210), (2, 39212605), (5, 15685042), (10, 7842521), (41, 1912810), (82, 956405), (205, 382562), (410, 191281)]