79537940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128287}}^1$

素因数の和:128327

約数の個数: 24

約数和(自身を含む): 172419072

約数和(自身を除く): 92881132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128287, 256574, 513148, 641435, 1282870, 2565740, 3976897, 7953794, 15907588, 19884485, 39768970, 79537940]

約数ペア:

[(1, 79537940), (2, 39768970), (4, 19884485), (5, 15907588), (10, 7953794), (20, 3976897), (31, 2565740), (62, 1282870), (124, 641435), (155, 513148), (310, 256574), (620, 128287)]