15580820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19001}}^1$

素因数の和:19051

約数の個数: 24

約数和(自身を含む): 33519528

約数和(自身を除く): 17938708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19001, 38002, 76004, 95005, 190010, 380020, 779041, 1558082, 3116164, 3895205, 7790410, 15580820]

約数ペア:

[(1, 15580820), (2, 7790410), (4, 3895205), (5, 3116164), (10, 1558082), (20, 779041), (41, 380020), (82, 190010), (164, 95005), (205, 76004), (410, 38002), (820, 19001)]