89872240

素因数分解:

$2^4\times 5^1\times {\mathrm{1123403}}^1$

素因数の和:1123416

約数の個数: 20

約数和(自身を含む): 208953144

約数和(自身を除く): 119080904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123403, 2246806, 4493612, 5617015, 8987224, 11234030, 17974448, 22468060, 44936120, 89872240]

約数ペア:

[(1, 89872240), (2, 44936120), (4, 22468060), (5, 17974448), (8, 11234030), (10, 8987224), (16, 5617015), (20, 4493612), (40, 2246806), (80, 1123403)]