2218100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 36

約数和(自身を含む): 4939788

約数和(自身を除く): 2721688

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 541, 820, 1025, 1082, 2050, 2164, 2705, 4100, 5410, 10820, 13525, 22181, 27050, 44362, 54100, 88724, 110905, 221810, 443620, 554525, 1109050, 2218100]

約数ペア:

[(1, 2218100), (2, 1109050), (4, 554525), (5, 443620), (10, 221810), (20, 110905), (25, 88724), (41, 54100), (50, 44362), (82, 27050), (100, 22181), (164, 13525), (205, 10820), (410, 5410), (541, 4100), (820, 2705), (1025, 2164), (1082, 2050)]