64049920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4549}}^1$

素因数の和:4581

約数の個数: 72

約数和(自身を含む): 167403600

約数和(自身を除く): 103353680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 4549, 7040, 9098, 14080, 18196, 22745, 36392, 45490, 50039, 72784, 90980, 100078, 145568, 181960, 200156, 250195, 291136, 363920, 400312, 500390, 582272, 727840, 800624, 1000780, 1164544, 1455680, 1601248, 2001560, 2911360, 3202496, 4003120, 5822720, 6404992, 8006240, 12809984, 16012480, 32024960, 64049920]

約数ペア:

[(1, 64049920), (2, 32024960), (4, 16012480), (5, 12809984), (8, 8006240), (10, 6404992), (11, 5822720), (16, 4003120), (20, 3202496), (22, 2911360), (32, 2001560), (40, 1601248), (44, 1455680), (55, 1164544), (64, 1000780), (80, 800624), (88, 727840), (110, 582272), (128, 500390), (160, 400312), (176, 363920), (220, 291136), (256, 250195), (320, 200156), (352, 181960), (440, 145568), (640, 100078), (704, 90980), (880, 72784), (1280, 50039), (1408, 45490), (1760, 36392), (2816, 22745), (3520, 18196), (4549, 14080), (7040, 9098)]