2005153960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1728581}}^1$

素因数の和:1728621

約数の個数: 32

約数和(自身を含む): 4667171400

約数和(自身を除く): 2662017440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1728581, 3457162, 6914324, 8642905, 13828648, 17285810, 34571620, 50128849, 69143240, 100257698, 200515396, 250644245, 401030792, 501288490, 1002576980, 2005153960]

約数ペア:

[(1, 2005153960), (2, 1002576980), (4, 501288490), (5, 401030792), (8, 250644245), (10, 200515396), (20, 100257698), (29, 69143240), (40, 50128849), (58, 34571620), (116, 17285810), (145, 13828648), (232, 8642905), (290, 6914324), (580, 3457162), (1160, 1728581)]