80005280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10639}}^1$

素因数の和:10701

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 113046880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 10639, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 340448, 425560, 500033, 851120, 1000066, 1702240, 2000132, 2500165, 4000264, 5000330, 8000528, 10000660, 16001056, 20001320, 40002640, 80005280]

約数ペア:

[(1, 80005280), (2, 40002640), (4, 20001320), (5, 16001056), (8, 10000660), (10, 8000528), (16, 5000330), (20, 4000264), (32, 2500165), (40, 2000132), (47, 1702240), (80, 1000066), (94, 851120), (160, 500033), (188, 425560), (235, 340448), (376, 212780), (470, 170224), (752, 106390), (940, 85112), (1504, 53195), (1880, 42556), (3760, 21278), (7520, 10639)]