25161520

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{857}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 58728384

約数和(自身を除く): 33566864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 857, 1468, 1714, 1835, 2936, 3428, 3670, 4285, 5872, 6856, 7340, 8570, 13712, 14680, 17140, 29360, 34280, 68560, 314519, 629038, 1258076, 1572595, 2516152, 3145190, 5032304, 6290380, 12580760, 25161520]

約数ペア:

[(1, 25161520), (2, 12580760), (4, 6290380), (5, 5032304), (8, 3145190), (10, 2516152), (16, 1572595), (20, 1258076), (40, 629038), (80, 314519), (367, 68560), (734, 34280), (857, 29360), (1468, 17140), (1714, 14680), (1835, 13712), (2936, 8570), (3428, 7340), (3670, 6856), (4285, 5872)]