80452720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21397}}^1$

素因数の和:21457

約数の個数: 40

約数和(自身を含む): 191041344

約数和(自身を除く): 110588624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21397, 42794, 85588, 106985, 171176, 213970, 342352, 427940, 855880, 1005659, 1711760, 2011318, 4022636, 5028295, 8045272, 10056590, 16090544, 20113180, 40226360, 80452720]

約数ペア:

[(1, 80452720), (2, 40226360), (4, 20113180), (5, 16090544), (8, 10056590), (10, 8045272), (16, 5028295), (20, 4022636), (40, 2011318), (47, 1711760), (80, 1005659), (94, 855880), (188, 427940), (235, 342352), (376, 213970), (470, 171176), (752, 106985), (940, 85588), (1880, 42794), (3760, 21397)]