2102480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 5015304

約数和(自身を除く): 2912824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 641, 656, 820, 1282, 1640, 2564, 3205, 3280, 5128, 6410, 10256, 12820, 25640, 26281, 51280, 52562, 105124, 131405, 210248, 262810, 420496, 525620, 1051240, 2102480]

約数ペア:

[(1, 2102480), (2, 1051240), (4, 525620), (5, 420496), (8, 262810), (10, 210248), (16, 131405), (20, 105124), (40, 52562), (41, 51280), (80, 26281), (82, 25640), (164, 12820), (205, 10256), (328, 6410), (410, 5128), (641, 3280), (656, 3205), (820, 2564), (1282, 1640)]