55100720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 133303968

約数和(自身を除く): 78203248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 157, 164, 205, 214, 314, 328, 410, 428, 535, 628, 656, 785, 820, 856, 1070, 1256, 1570, 1640, 1712, 2140, 2512, 3140, 3280, 4280, 4387, 6280, 6437, 8560, 8774, 12560, 12874, 16799, 17548, 21935, 25748, 32185, 33598, 35096, 43870, 51496, 64370, 67196, 70192, 83995, 87740, 102992, 128740, 134392, 167990, 175480, 257480, 268784, 335980, 350960, 514960, 671960, 688759, 1343920, 1377518, 2755036, 3443795, 5510072, 6887590, 11020144, 13775180, 27550360, 55100720]

約数ペア:

[(1, 55100720), (2, 27550360), (4, 13775180), (5, 11020144), (8, 6887590), (10, 5510072), (16, 3443795), (20, 2755036), (40, 1377518), (41, 1343920), (80, 688759), (82, 671960), (107, 514960), (157, 350960), (164, 335980), (205, 268784), (214, 257480), (314, 175480), (328, 167990), (410, 134392), (428, 128740), (535, 102992), (628, 87740), (656, 83995), (785, 70192), (820, 67196), (856, 64370), (1070, 51496), (1256, 43870), (1570, 35096), (1640, 33598), (1712, 32185), (2140, 25748), (2512, 21935), (3140, 17548), (3280, 16799), (4280, 12874), (4387, 12560), (6280, 8774), (6437, 8560)]