1775792080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 4191963840

約数和(自身を除く): 2416171760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 443, 445, 563, 712, 886, 890, 1126, 1424, 1772, 1780, 2215, 2252, 2815, 3544, 3560, 4430, 4504, 5630, 7088, 7120, 8860, 9008, 11260, 17720, 22520, 35440, 39427, 45040, 50107, 78854, 100214, 157708, 197135, 200428, 249409, 250535, 315416, 394270, 400856, 498818, 501070, 630832, 788540, 801712, 997636, 1002140, 1247045, 1577080, 1995272, 2004280, 2494090, 3154160, 3990544, 4008560, 4988180, 9976360, 19952720, 22197401, 44394802, 88789604, 110987005, 177579208, 221974010, 355158416, 443948020, 887896040, 1775792080]

約数ペア:

[(1, 1775792080), (2, 887896040), (4, 443948020), (5, 355158416), (8, 221974010), (10, 177579208), (16, 110987005), (20, 88789604), (40, 44394802), (80, 22197401), (89, 19952720), (178, 9976360), (356, 4988180), (443, 4008560), (445, 3990544), (563, 3154160), (712, 2494090), (886, 2004280), (890, 1995272), (1126, 1577080), (1424, 1247045), (1772, 1002140), (1780, 997636), (2215, 801712), (2252, 788540), (2815, 630832), (3544, 501070), (3560, 498818), (4430, 400856), (4504, 394270), (5630, 315416), (7088, 250535), (7120, 249409), (8860, 200428), (9008, 197135), (11260, 157708), (17720, 100214), (22520, 78854), (35440, 50107), (39427, 45040)]