15937220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61297}}^1$

素因数の和:61319

約数の個数: 24

約数和(自身を含む): 36043224

約数和(自身を除く): 20106004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61297, 122594, 245188, 306485, 612970, 796861, 1225940, 1593722, 3187444, 3984305, 7968610, 15937220]

約数ペア:

[(1, 15937220), (2, 7968610), (4, 3984305), (5, 3187444), (10, 1593722), (13, 1225940), (20, 796861), (26, 612970), (52, 306485), (65, 245188), (130, 122594), (260, 61297)]