64587820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1697}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 148907808

約数和(自身を除く): 84319988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1697, 1730, 1903, 3394, 3460, 3806, 6788, 7612, 8485, 9515, 16970, 18667, 19030, 33940, 37334, 38060, 74668, 93335, 186670, 293581, 373340, 587162, 1174324, 1467905, 2935810, 3229391, 5871620, 6458782, 12917564, 16146955, 32293910, 64587820]

約数ペア:

[(1, 64587820), (2, 32293910), (4, 16146955), (5, 12917564), (10, 6458782), (11, 5871620), (20, 3229391), (22, 2935810), (44, 1467905), (55, 1174324), (110, 587162), (173, 373340), (220, 293581), (346, 186670), (692, 93335), (865, 74668), (1697, 38060), (1730, 37334), (1903, 33940), (3394, 19030), (3460, 18667), (3806, 16970), (6788, 9515), (7612, 8485)]