9902740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8117}}^1$

素因数の和:8187

約数の個数: 24

約数和(自身を含む): 21139272

約数和(自身を除く): 11236532

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8117, 16234, 32468, 40585, 81170, 162340, 495137, 990274, 1980548, 2475685, 4951370, 9902740]

約数ペア:

[(1, 9902740), (2, 4951370), (4, 2475685), (5, 1980548), (10, 990274), (20, 495137), (61, 162340), (122, 81170), (244, 40585), (305, 32468), (610, 16234), (1220, 8117)]