5143240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 11741760

約数和(自身を除く): 6598520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1811, 2840, 3622, 7244, 9055, 14488, 18110, 36220, 72440, 128581, 257162, 514324, 642905, 1028648, 1285810, 2571620, 5143240]

約数ペア:

[(1, 5143240), (2, 2571620), (4, 1285810), (5, 1028648), (8, 642905), (10, 514324), (20, 257162), (40, 128581), (71, 72440), (142, 36220), (284, 18110), (355, 14488), (568, 9055), (710, 7244), (1420, 3622), (1811, 2840)]