6561880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12619}}^1$

素因数の和:12643

約数の個数: 32

約数和(自身を含む): 15901200

約数和(自身を除く): 9339320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12619, 25238, 50476, 63095, 100952, 126190, 164047, 252380, 328094, 504760, 656188, 820235, 1312376, 1640470, 3280940, 6561880]

約数ペア:

[(1, 6561880), (2, 3280940), (4, 1640470), (5, 1312376), (8, 820235), (10, 656188), (13, 504760), (20, 328094), (26, 252380), (40, 164047), (52, 126190), (65, 100952), (104, 63095), (130, 50476), (260, 25238), (520, 12619)]