40021564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 80994816

約数和(自身を除く): 40973252

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 71, 92, 142, 253, 284, 506, 557, 781, 1012, 1114, 1562, 1633, 2228, 3124, 3266, 6127, 6532, 12254, 12811, 17963, 24508, 25622, 35926, 39547, 51244, 71852, 79094, 140921, 158188, 281842, 435017, 563684, 870034, 909581, 1740068, 1819162, 3638324, 10005391, 20010782, 40021564]

約数ペア:

[(1, 40021564), (2, 20010782), (4, 10005391), (11, 3638324), (22, 1819162), (23, 1740068), (44, 909581), (46, 870034), (71, 563684), (92, 435017), (142, 281842), (253, 158188), (284, 140921), (506, 79094), (557, 71852), (781, 51244), (1012, 39547), (1114, 35926), (1562, 25622), (1633, 24508), (2228, 17963), (3124, 12811), (3266, 12254), (6127, 6532)]