8277940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 19160064

約数和(自身を除く): 10882124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 197, 220, 382, 394, 764, 788, 955, 985, 1910, 1970, 2101, 2167, 3820, 3940, 4202, 4334, 8404, 8668, 10505, 10835, 21010, 21670, 37627, 42020, 43340, 75254, 150508, 188135, 376270, 413897, 752540, 827794, 1655588, 2069485, 4138970, 8277940]

約数ペア:

[(1, 8277940), (2, 4138970), (4, 2069485), (5, 1655588), (10, 827794), (11, 752540), (20, 413897), (22, 376270), (44, 188135), (55, 150508), (110, 75254), (191, 43340), (197, 42020), (220, 37627), (382, 21670), (394, 21010), (764, 10835), (788, 10505), (955, 8668), (985, 8404), (1910, 4334), (1970, 4202), (2101, 3940), (2167, 3820)]