8028820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6581}}^1$

素因数の和:6651

約数の個数: 24

約数和(自身を含む): 17139528

約数和(自身を除く): 9110708

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6581, 13162, 26324, 32905, 65810, 131620, 401441, 802882, 1605764, 2007205, 4014410, 8028820]

約数ペア:

[(1, 8028820), (2, 4014410), (4, 2007205), (5, 1605764), (10, 802882), (20, 401441), (61, 131620), (122, 65810), (244, 32905), (305, 26324), (610, 13162), (1220, 6581)]