72158860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28409}}^1$

素因数の和:28545

約数の個数: 24

約数和(自身を含む): 152732160

約数和(自身を除く): 80573300

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28409, 56818, 113636, 142045, 284090, 568180, 3607943, 7215886, 14431772, 18039715, 36079430, 72158860]

約数ペア:

[(1, 72158860), (2, 36079430), (4, 18039715), (5, 14431772), (10, 7215886), (20, 3607943), (127, 568180), (254, 284090), (508, 142045), (635, 113636), (1270, 56818), (2540, 28409)]