25091120

素因数分解:

$2^4\times 5^1\times {\mathrm{313639}}^1$

素因数の和:313652

約数の個数: 20

約数和(自身を含む): 58337040

約数和(自身を除く): 33245920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313639, 627278, 1254556, 1568195, 2509112, 3136390, 5018224, 6272780, 12545560, 25091120]

約数ペア:

[(1, 25091120), (2, 12545560), (4, 6272780), (5, 5018224), (8, 3136390), (10, 2509112), (16, 1568195), (20, 1254556), (40, 627278), (80, 313639)]