12561880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3049}}^1$

素因数の和:3163

約数の個数: 32

約数和(自身を含む): 28548000

約数和(自身を除く): 15986120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3049, 4120, 6098, 12196, 15245, 24392, 30490, 60980, 121960, 314047, 628094, 1256188, 1570235, 2512376, 3140470, 6280940, 12561880]

約数ペア:

[(1, 12561880), (2, 6280940), (4, 3140470), (5, 2512376), (8, 1570235), (10, 1256188), (20, 628094), (40, 314047), (103, 121960), (206, 60980), (412, 30490), (515, 24392), (824, 15245), (1030, 12196), (2060, 6098), (3049, 4120)]