1051240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 2426760

約数和(自身を除く): 1375520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 641, 820, 1282, 1640, 2564, 3205, 5128, 6410, 12820, 25640, 26281, 52562, 105124, 131405, 210248, 262810, 525620, 1051240]

約数ペア:

[(1, 1051240), (2, 525620), (4, 262810), (5, 210248), (8, 131405), (10, 105124), (20, 52562), (40, 26281), (41, 25640), (82, 12820), (164, 6410), (205, 5128), (328, 3205), (410, 2564), (641, 1640), (820, 1282)]