883240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 2021760

約数和(自身を除く): 1138520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 311, 355, 568, 622, 710, 1244, 1420, 1555, 2488, 2840, 3110, 6220, 12440, 22081, 44162, 88324, 110405, 176648, 220810, 441620, 883240]

約数ペア:

[(1, 883240), (2, 441620), (4, 220810), (5, 176648), (8, 110405), (10, 88324), (20, 44162), (40, 22081), (71, 12440), (142, 6220), (284, 3110), (311, 2840), (355, 2488), (568, 1555), (622, 1420), (710, 1244)]