660040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 1539000

約数和(自身を除く): 878960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 569, 580, 1138, 1160, 2276, 2845, 4552, 5690, 11380, 16501, 22760, 33002, 66004, 82505, 132008, 165010, 330020, 660040]

約数ペア:

[(1, 660040), (2, 330020), (4, 165010), (5, 132008), (8, 82505), (10, 66004), (20, 33002), (29, 22760), (40, 16501), (58, 11380), (116, 5690), (145, 4552), (232, 2845), (290, 2276), (569, 1160), (580, 1138)]