798040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 1827360

約数和(自身を除く): 1029320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 281, 284, 355, 562, 568, 710, 1124, 1405, 1420, 2248, 2810, 2840, 5620, 11240, 19951, 39902, 79804, 99755, 159608, 199510, 399020, 798040]

約数ペア:

[(1, 798040), (2, 399020), (4, 199510), (5, 159608), (8, 99755), (10, 79804), (20, 39902), (40, 19951), (71, 11240), (142, 5620), (281, 2840), (284, 2810), (355, 2248), (562, 1420), (568, 1405), (710, 1124)]