2628100

素因数分解:

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

素因数の和:696

約数の個数: 36

約数和(自身を含む): 5851188

約数和(自身を除く): 3223088

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 641, 820, 1025, 1282, 2050, 2564, 3205, 4100, 6410, 12820, 16025, 26281, 32050, 52562, 64100, 105124, 131405, 262810, 525620, 657025, 1314050, 2628100]

約数ペア:

[(1, 2628100), (2, 1314050), (4, 657025), (5, 525620), (10, 262810), (20, 131405), (25, 105124), (41, 64100), (50, 52562), (82, 32050), (100, 26281), (164, 16025), (205, 12820), (410, 6410), (641, 4100), (820, 3205), (1025, 2564), (1282, 2050)]