87271580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2293}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 201174624

約数和(自身を除く): 113903044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 2293, 3460, 3806, 4586, 7612, 9172, 9515, 11465, 19030, 22930, 25223, 38060, 45860, 50446, 100892, 126115, 252230, 396689, 504460, 793378, 1586756, 1983445, 3966890, 4363579, 7933780, 8727158, 17454316, 21817895, 43635790, 87271580]

約数ペア:

[(1, 87271580), (2, 43635790), (4, 21817895), (5, 17454316), (10, 8727158), (11, 7933780), (20, 4363579), (22, 3966890), (44, 1983445), (55, 1586756), (110, 793378), (173, 504460), (220, 396689), (346, 252230), (692, 126115), (865, 100892), (1730, 50446), (1903, 45860), (2293, 38060), (3460, 25223), (3806, 22930), (4586, 19030), (7612, 11465), (9172, 9515)]