8241920

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 20309184

約数和(自身を除く): 12067264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 137, 160, 188, 235, 256, 274, 320, 376, 470, 548, 640, 685, 752, 940, 1096, 1280, 1370, 1504, 1880, 2192, 2740, 3008, 3760, 4384, 5480, 6016, 6439, 7520, 8768, 10960, 12032, 12878, 15040, 17536, 21920, 25756, 30080, 32195, 35072, 43840, 51512, 60160, 64390, 87680, 103024, 128780, 175360, 206048, 257560, 412096, 515120, 824192, 1030240, 1648384, 2060480, 4120960, 8241920]

約数ペア:

[(1, 8241920), (2, 4120960), (4, 2060480), (5, 1648384), (8, 1030240), (10, 824192), (16, 515120), (20, 412096), (32, 257560), (40, 206048), (47, 175360), (64, 128780), (80, 103024), (94, 87680), (128, 64390), (137, 60160), (160, 51512), (188, 43840), (235, 35072), (256, 32195), (274, 30080), (320, 25756), (376, 21920), (470, 17536), (548, 15040), (640, 12878), (685, 12032), (752, 10960), (940, 8768), (1096, 7520), (1280, 6439), (1370, 6016), (1504, 5480), (1880, 4384), (2192, 3760), (2740, 3008)]