25069480

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{907}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 56550240

約数和(自身を除く): 31480760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 907, 1382, 1814, 2764, 3455, 3628, 4535, 5528, 6910, 7256, 9070, 13820, 18140, 27640, 36280, 626737, 1253474, 2506948, 3133685, 5013896, 6267370, 12534740, 25069480]

約数ペア:

[(1, 25069480), (2, 12534740), (4, 6267370), (5, 5013896), (8, 3133685), (10, 2506948), (20, 1253474), (40, 626737), (691, 36280), (907, 27640), (1382, 18140), (1814, 13820), (2764, 9070), (3455, 7256), (3628, 6910), (4535, 5528)]