3280940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12619}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 7420560

約数和(自身を除く): 4139620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 12619, 25238, 50476, 63095, 126190, 164047, 252380, 328094, 656188, 820235, 1640470, 3280940]

約数ペア:

[(1, 3280940), (2, 1640470), (4, 820235), (5, 656188), (10, 328094), (13, 252380), (20, 164047), (26, 126190), (52, 63095), (65, 50476), (130, 25238), (260, 12619)]