55535560

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1931}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 125193600

約数和(自身を除く): 69658040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 1931, 2876, 3595, 3862, 5752, 7190, 7724, 9655, 14380, 15448, 19310, 28760, 38620, 77240, 1388389, 2776778, 5553556, 6941945, 11107112, 13883890, 27767780, 55535560]

約数ペア:

[(1, 55535560), (2, 27767780), (4, 13883890), (5, 11107112), (8, 6941945), (10, 5553556), (20, 2776778), (40, 1388389), (719, 77240), (1438, 38620), (1931, 28760), (2876, 19310), (3595, 15448), (3862, 14380), (5752, 9655), (7190, 7724)]