13561040

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 31739040

約数和(自身を除く): 18178000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 947, 1432, 1790, 1894, 2864, 3580, 3788, 4735, 7160, 7576, 9470, 14320, 15152, 18940, 37880, 75760, 169513, 339026, 678052, 847565, 1356104, 1695130, 2712208, 3390260, 6780520, 13561040]

約数ペア:

[(1, 13561040), (2, 6780520), (4, 3390260), (5, 2712208), (8, 1695130), (10, 1356104), (16, 847565), (20, 678052), (40, 339026), (80, 169513), (179, 75760), (358, 37880), (716, 18940), (895, 15152), (947, 14320), (1432, 9470), (1790, 7576), (1894, 7160), (2864, 4735), (3580, 3788)]