1330794620

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{212587}}^1$

素因数の和:212909

約数の個数: 24

約数和(自身を含む): 2803610544

約数和(自身を除く): 1472815924

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 212587, 425174, 850348, 1062935, 2125870, 4251740, 66539731, 133079462, 266158924, 332698655, 665397310, 1330794620]

約数ペア:

[(1, 1330794620), (2, 665397310), (4, 332698655), (5, 266158924), (10, 133079462), (20, 66539731), (313, 4251740), (626, 2125870), (1252, 1062935), (1565, 850348), (3130, 425174), (6260, 212587)]