13951960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 35212320

約数和(自身を除く): 21260360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 857, 1480, 1628, 1714, 2035, 3256, 3428, 4070, 4285, 6856, 8140, 8570, 9427, 16280, 17140, 18854, 31709, 34280, 37708, 47135, 63418, 75416, 94270, 126836, 158545, 188540, 253672, 317090, 348799, 377080, 634180, 697598, 1268360, 1395196, 1743995, 2790392, 3487990, 6975980, 13951960]

約数ペア:

[(1, 13951960), (2, 6975980), (4, 3487990), (5, 2790392), (8, 1743995), (10, 1395196), (11, 1268360), (20, 697598), (22, 634180), (37, 377080), (40, 348799), (44, 317090), (55, 253672), (74, 188540), (88, 158545), (110, 126836), (148, 94270), (185, 75416), (220, 63418), (296, 47135), (370, 37708), (407, 34280), (440, 31709), (740, 18854), (814, 17140), (857, 16280), (1480, 9427), (1628, 8570), (1714, 8140), (2035, 6856), (3256, 4285), (3428, 4070)]