139646480

素因数分解:

$2^4\times 5^1\times {\mathrm{1745581}}^1$

素因数の和:1745594

約数の個数: 20

約数和(自身を含む): 324678252

約数和(自身を除く): 185031772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1745581, 3491162, 6982324, 8727905, 13964648, 17455810, 27929296, 34911620, 69823240, 139646480]

約数ペア:

[(1, 139646480), (2, 69823240), (4, 34911620), (5, 27929296), (8, 17455810), (10, 13964648), (16, 8727905), (20, 6982324), (40, 3491162), (80, 1745581)]