65618800

素因数分解:

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

素因数の和:12650

約数の個数: 60

約数和(自身を含む): 169789480

約数和(自身を除く): 104170680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12619, 25238, 50476, 63095, 100952, 126190, 164047, 201904, 252380, 315475, 328094, 504760, 630950, 656188, 820235, 1009520, 1261900, 1312376, 1640470, 2523800, 2624752, 3280940, 4101175, 5047600, 6561880, 8202350, 13123760, 16404700, 32809400, 65618800]

約数ペア:

[(1, 65618800), (2, 32809400), (4, 16404700), (5, 13123760), (8, 8202350), (10, 6561880), (13, 5047600), (16, 4101175), (20, 3280940), (25, 2624752), (26, 2523800), (40, 1640470), (50, 1312376), (52, 1261900), (65, 1009520), (80, 820235), (100, 656188), (104, 630950), (130, 504760), (200, 328094), (208, 315475), (260, 252380), (325, 201904), (400, 164047), (520, 126190), (650, 100952), (1040, 63095), (1300, 50476), (2600, 25238), (5200, 12619)]