25347280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45263}}^1$

素因数の和:45283

約数の個数: 40

約数和(自身を含む): 67352832

約数和(自身を除く): 42005552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45263, 90526, 181052, 226315, 316841, 362104, 452630, 633682, 724208, 905260, 1267364, 1584205, 1810520, 2534728, 3168410, 3621040, 5069456, 6336820, 12673640, 25347280]

約数ペア:

[(1, 25347280), (2, 12673640), (4, 6336820), (5, 5069456), (7, 3621040), (8, 3168410), (10, 2534728), (14, 1810520), (16, 1584205), (20, 1267364), (28, 905260), (35, 724208), (40, 633682), (56, 452630), (70, 362104), (80, 316841), (112, 226315), (140, 181052), (280, 90526), (560, 45263)]