251188880

素因数分解:

$2^4\times 5^1\times {\mathrm{3139861}}^1$

素因数の和:3139874

約数の個数: 20

約数和(自身を含む): 584014332

約数和(自身を除く): 332825452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3139861, 6279722, 12559444, 15699305, 25118888, 31398610, 50237776, 62797220, 125594440, 251188880]

約数ペア:

[(1, 251188880), (2, 125594440), (4, 62797220), (5, 50237776), (8, 31398610), (10, 25118888), (16, 15699305), (20, 12559444), (40, 6279722), (80, 3139861)]