87993520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10091}}^1$

素因数の和:10213

約数の個数: 40

約数和(自身を含む): 206482320

約数和(自身を除く): 118488800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 10091, 20182, 40364, 50455, 80728, 100910, 161456, 201820, 403640, 807280, 1099919, 2199838, 4399676, 5499595, 8799352, 10999190, 17598704, 21998380, 43996760, 87993520]

約数ペア:

[(1, 87993520), (2, 43996760), (4, 21998380), (5, 17598704), (8, 10999190), (10, 8799352), (16, 5499595), (20, 4399676), (40, 2199838), (80, 1099919), (109, 807280), (218, 403640), (436, 201820), (545, 161456), (872, 100910), (1090, 80728), (1744, 50455), (2180, 40364), (4360, 20182), (8720, 10091)]