45642020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55661}}^1$

素因数の和:55711

約数の個数: 24

約数和(自身を含む): 98187768

約数和(自身を除く): 52545748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 55661, 111322, 222644, 278305, 556610, 1113220, 2282101, 4564202, 9128404, 11410505, 22821010, 45642020]

約数ペア:

[(1, 45642020), (2, 22821010), (4, 11410505), (5, 9128404), (10, 4564202), (20, 2282101), (41, 1113220), (82, 556610), (164, 278305), (205, 222644), (410, 111322), (820, 55661)]