8754320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 22217328

約数和(自身を除く): 13463008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 157, 164, 170, 205, 272, 314, 328, 340, 410, 628, 656, 680, 697, 785, 820, 1256, 1360, 1394, 1570, 1640, 2512, 2669, 2788, 3140, 3280, 3485, 5338, 5576, 6280, 6437, 6970, 10676, 11152, 12560, 12874, 13345, 13940, 21352, 25748, 26690, 27880, 32185, 42704, 51496, 53380, 55760, 64370, 102992, 106760, 109429, 128740, 213520, 218858, 257480, 437716, 514960, 547145, 875432, 1094290, 1750864, 2188580, 4377160, 8754320]

約数ペア:

[(1, 8754320), (2, 4377160), (4, 2188580), (5, 1750864), (8, 1094290), (10, 875432), (16, 547145), (17, 514960), (20, 437716), (34, 257480), (40, 218858), (41, 213520), (68, 128740), (80, 109429), (82, 106760), (85, 102992), (136, 64370), (157, 55760), (164, 53380), (170, 51496), (205, 42704), (272, 32185), (314, 27880), (328, 26690), (340, 25748), (410, 21352), (628, 13940), (656, 13345), (680, 12874), (697, 12560), (785, 11152), (820, 10676), (1256, 6970), (1360, 6437), (1394, 6280), (1570, 5576), (1640, 5338), (2512, 3485), (2669, 3280), (2788, 3140)]