81585250

素因数分解:

$2^1\times 5^3\times {\mathrm{307}}^1\times {\mathrm{1063}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 153369216

約数和(自身を除く): 71783966

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 307, 614, 1063, 1535, 2126, 3070, 5315, 7675, 10630, 15350, 26575, 38375, 53150, 76750, 132875, 265750, 326341, 652682, 1631705, 3263410, 8158525, 16317050, 40792625, 81585250]

約数ペア:

[(1, 81585250), (2, 40792625), (5, 16317050), (10, 8158525), (25, 3263410), (50, 1631705), (125, 652682), (250, 326341), (307, 265750), (614, 132875), (1063, 76750), (1535, 53150), (2126, 38375), (3070, 26575), (5315, 15350), (7675, 10630)]