7760420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6361}}^1$

素因数の和:6431

約数の個数: 24

約数和(自身を含む): 16566648

約数和(自身を除く): 8806228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6361, 12722, 25444, 31805, 63610, 127220, 388021, 776042, 1552084, 1940105, 3880210, 7760420]

約数ペア:

[(1, 7760420), (2, 3880210), (4, 1940105), (5, 1552084), (10, 776042), (20, 388021), (61, 127220), (122, 63610), (244, 31805), (305, 25444), (610, 12722), (1220, 6361)]