19920275120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{63247}}^1$

素因数の和:63418

約数の個数: 80

約数和(自身を含む): 48185868288

約数和(自身を除く): 28265593168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 3937, 5080, 7874, 10160, 15748, 19685, 31496, 39370, 62992, 63247, 78740, 126494, 157480, 252988, 314960, 316235, 505976, 632470, 1011952, 1264940, 1960657, 2529880, 3921314, 5059760, 7842628, 8032369, 9803285, 15685256, 16064738, 19606570, 31370512, 32129476, 39213140, 40161845, 64258952, 78426280, 80323690, 128517904, 156852560, 160647380, 249003439, 321294760, 498006878, 642589520, 996013756, 1245017195, 1992027512, 2490034390, 3984055024, 4980068780, 9960137560, 19920275120]

約数ペア:

[(1, 19920275120), (2, 9960137560), (4, 4980068780), (5, 3984055024), (8, 2490034390), (10, 1992027512), (16, 1245017195), (20, 996013756), (31, 642589520), (40, 498006878), (62, 321294760), (80, 249003439), (124, 160647380), (127, 156852560), (155, 128517904), (248, 80323690), (254, 78426280), (310, 64258952), (496, 40161845), (508, 39213140), (620, 32129476), (635, 31370512), (1016, 19606570), (1240, 16064738), (1270, 15685256), (2032, 9803285), (2480, 8032369), (2540, 7842628), (3937, 5059760), (5080, 3921314), (7874, 2529880), (10160, 1960657), (15748, 1264940), (19685, 1011952), (31496, 632470), (39370, 505976), (62992, 316235), (63247, 314960), (78740, 252988), (126494, 157480)]