8172560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 21373632

約数和(自身を除く): 13201072

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, 251, 296, 370, 407, 440, 502, 592, 740, 814, 880, 1004, 1255, 1480, 1628, 2008, 2035, 2510, 2761, 2960, 3256, 4016, 4070, 5020, 5522, 6512, 8140, 9287, 10040, 11044, 13805, 16280, 18574, 20080, 22088, 27610, 32560, 37148, 44176, 46435, 55220, 74296, 92870, 102157, 110440, 148592, 185740, 204314, 220880, 371480, 408628, 510785, 742960, 817256, 1021570, 1634512, 2043140, 4086280, 8172560]

約数ペア:

[(1, 8172560), (2, 4086280), (4, 2043140), (5, 1634512), (8, 1021570), (10, 817256), (11, 742960), (16, 510785), (20, 408628), (22, 371480), (37, 220880), (40, 204314), (44, 185740), (55, 148592), (74, 110440), (80, 102157), (88, 92870), (110, 74296), (148, 55220), (176, 46435), (185, 44176), (220, 37148), (251, 32560), (296, 27610), (370, 22088), (407, 20080), (440, 18574), (502, 16280), (592, 13805), (740, 11044), (814, 10040), (880, 9287), (1004, 8140), (1255, 6512), (1480, 5522), (1628, 5020), (2008, 4070), (2035, 4016), (2510, 3256), (2761, 2960)]