25415440

素因数分解:

$2^4\times 5^1\times {\mathrm{317693}}^1$

素因数の和:317706

約数の個数: 20

約数和(自身を含む): 59091084

約数和(自身を除く): 33675644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317693, 635386, 1270772, 1588465, 2541544, 3176930, 5083088, 6353860, 12707720, 25415440]

約数ペア:

[(1, 25415440), (2, 12707720), (4, 6353860), (5, 5083088), (8, 3176930), (10, 2541544), (16, 1588465), (20, 1270772), (40, 635386), (80, 317693)]