89493620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{61297}}^1$

素因数の和:61379

約数の個数: 24

約数和(自身を含む): 190514184

約数和(自身を除く): 101020564

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 61297, 122594, 245188, 306485, 612970, 1225940, 4474681, 8949362, 17898724, 22373405, 44746810, 89493620]

約数ペア:

[(1, 89493620), (2, 44746810), (4, 22373405), (5, 17898724), (10, 8949362), (20, 4474681), (73, 1225940), (146, 612970), (292, 306485), (365, 245188), (730, 122594), (1460, 61297)]