1590040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 3617280

約数和(自身を除く): 2027240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 313, 508, 626, 635, 1016, 1252, 1270, 1565, 2504, 2540, 3130, 5080, 6260, 12520, 39751, 79502, 159004, 198755, 318008, 397510, 795020, 1590040]

約数ペア:

[(1, 1590040), (2, 795020), (4, 397510), (5, 318008), (8, 198755), (10, 159004), (20, 79502), (40, 39751), (127, 12520), (254, 6260), (313, 5080), (508, 3130), (626, 2540), (635, 2504), (1016, 1565), (1252, 1270)]