129562760

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9281}}^1$

素因数の和:9641

約数の個数: 32

約数和(自身を含む): 292383000

約数和(自身を除く): 162820240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 9281, 13960, 18562, 37124, 46405, 74248, 92810, 185620, 371240, 3239069, 6478138, 12956276, 16195345, 25912552, 32390690, 64781380, 129562760]

約数ペア:

[(1, 129562760), (2, 64781380), (4, 32390690), (5, 25912552), (8, 16195345), (10, 12956276), (20, 6478138), (40, 3239069), (349, 371240), (698, 185620), (1396, 92810), (1745, 74248), (2792, 46405), (3490, 37124), (6980, 18562), (9281, 13960)]