13123760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12619}}^1$

素因数の和:12645

約数の個数: 40

約数和(自身を含む): 32862480

約数和(自身を除く): 19738720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12619, 25238, 50476, 63095, 100952, 126190, 164047, 201904, 252380, 328094, 504760, 656188, 820235, 1009520, 1312376, 1640470, 2624752, 3280940, 6561880, 13123760]

約数ペア:

[(1, 13123760), (2, 6561880), (4, 3280940), (5, 2624752), (8, 1640470), (10, 1312376), (13, 1009520), (16, 820235), (20, 656188), (26, 504760), (40, 328094), (52, 252380), (65, 201904), (80, 164047), (104, 126190), (130, 100952), (208, 63095), (260, 50476), (520, 25238), (1040, 12619)]