27903920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 72772128

約数和(自身を除く): 44868208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 857, 880, 1480, 1628, 1714, 2035, 2960, 3256, 3428, 4070, 4285, 6512, 6856, 8140, 8570, 9427, 13712, 16280, 17140, 18854, 31709, 32560, 34280, 37708, 47135, 63418, 68560, 75416, 94270, 126836, 150832, 158545, 188540, 253672, 317090, 348799, 377080, 507344, 634180, 697598, 754160, 1268360, 1395196, 1743995, 2536720, 2790392, 3487990, 5580784, 6975980, 13951960, 27903920]

約数ペア:

[(1, 27903920), (2, 13951960), (4, 6975980), (5, 5580784), (8, 3487990), (10, 2790392), (11, 2536720), (16, 1743995), (20, 1395196), (22, 1268360), (37, 754160), (40, 697598), (44, 634180), (55, 507344), (74, 377080), (80, 348799), (88, 317090), (110, 253672), (148, 188540), (176, 158545), (185, 150832), (220, 126836), (296, 94270), (370, 75416), (407, 68560), (440, 63418), (592, 47135), (740, 37708), (814, 34280), (857, 32560), (880, 31709), (1480, 18854), (1628, 17140), (1714, 16280), (2035, 13712), (2960, 9427), (3256, 8570), (3428, 8140), (4070, 6856), (4285, 6512)]