66985520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119617}}^1$

素因数の和:119637

約数の個数: 40

約数和(自身を含む): 177991584

約数和(自身を除く): 111006064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119617, 239234, 478468, 598085, 837319, 956936, 1196170, 1674638, 1913872, 2392340, 3349276, 4186595, 4784680, 6698552, 8373190, 9569360, 13397104, 16746380, 33492760, 66985520]

約数ペア:

[(1, 66985520), (2, 33492760), (4, 16746380), (5, 13397104), (7, 9569360), (8, 8373190), (10, 6698552), (14, 4784680), (16, 4186595), (20, 3349276), (28, 2392340), (35, 1913872), (40, 1674638), (56, 1196170), (70, 956936), (80, 837319), (112, 598085), (140, 478468), (280, 239234), (560, 119617)]