78859240

素因数分解:

$2^3\times 5^1\times {\mathrm{1971481}}^1$

素因数の和:1971492

約数の個数: 16

約数和(自身を含む): 177433380

約数和(自身を除く): 98574140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1971481, 3942962, 7885924, 9857405, 15771848, 19714810, 39429620, 78859240]

約数ペア:

[(1, 78859240), (2, 39429620), (4, 19714810), (5, 15771848), (8, 9857405), (10, 7885924), (20, 3942962), (40, 1971481)]