12926320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 33756768

約数和(自身を除く): 20830448

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, 397, 407, 440, 592, 740, 794, 814, 880, 1480, 1588, 1628, 1985, 2035, 2960, 3176, 3256, 3970, 4070, 4367, 6352, 6512, 7940, 8140, 8734, 14689, 15880, 16280, 17468, 21835, 29378, 31760, 32560, 34936, 43670, 58756, 69872, 73445, 87340, 117512, 146890, 161579, 174680, 235024, 293780, 323158, 349360, 587560, 646316, 807895, 1175120, 1292632, 1615790, 2585264, 3231580, 6463160, 12926320]

約数ペア:

[(1, 12926320), (2, 6463160), (4, 3231580), (5, 2585264), (8, 1615790), (10, 1292632), (11, 1175120), (16, 807895), (20, 646316), (22, 587560), (37, 349360), (40, 323158), (44, 293780), (55, 235024), (74, 174680), (80, 161579), (88, 146890), (110, 117512), (148, 87340), (176, 73445), (185, 69872), (220, 58756), (296, 43670), (370, 34936), (397, 32560), (407, 31760), (440, 29378), (592, 21835), (740, 17468), (794, 16280), (814, 15880), (880, 14689), (1480, 8734), (1588, 8140), (1628, 7940), (1985, 6512), (2035, 6352), (2960, 4367), (3176, 4070), (3256, 3970)]