87745940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52859}}^1$

素因数の和:52951

約数の個数: 24

約数和(自身を含む): 186490080

約数和(自身を除く): 98744140

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 52859, 105718, 211436, 264295, 528590, 1057180, 4387297, 8774594, 17549188, 21936485, 43872970, 87745940]

約数ペア:

[(1, 87745940), (2, 43872970), (4, 21936485), (5, 17549188), (10, 8774594), (20, 4387297), (83, 1057180), (166, 528590), (332, 264295), (415, 211436), (830, 105718), (1660, 52859)]