8270380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6779}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 17655120

約数和(自身を除く): 9384740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6779, 13558, 27116, 33895, 67790, 135580, 413519, 827038, 1654076, 2067595, 4135190, 8270380]

約数ペア:

[(1, 8270380), (2, 4135190), (4, 2067595), (5, 1654076), (10, 827038), (20, 413519), (61, 135580), (122, 67790), (244, 33895), (305, 27116), (610, 13558), (1220, 6779)]