87822820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107101}}^1$

素因数の和:107151

約数の個数: 24

約数和(自身を含む): 188927928

約数和(自身を除く): 101105108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 107101, 214202, 428404, 535505, 1071010, 2142020, 4391141, 8782282, 17564564, 21955705, 43911410, 87822820]

約数ペア:

[(1, 87822820), (2, 43911410), (4, 21955705), (5, 17564564), (10, 8782282), (20, 4391141), (41, 2142020), (82, 1071010), (164, 535505), (205, 428404), (410, 214202), (820, 107101)]