9925040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 23331840

約数和(自身を除く): 13406800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1279, 1552, 1940, 2558, 3880, 5116, 6395, 7760, 10232, 12790, 20464, 25580, 51160, 102320, 124063, 248126, 496252, 620315, 992504, 1240630, 1985008, 2481260, 4962520, 9925040]

約数ペア:

[(1, 9925040), (2, 4962520), (4, 2481260), (5, 1985008), (8, 1240630), (10, 992504), (16, 620315), (20, 496252), (40, 248126), (80, 124063), (97, 102320), (194, 51160), (388, 25580), (485, 20464), (776, 12790), (970, 10232), (1279, 7760), (1552, 6395), (1940, 5116), (2558, 3880)]