40821964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 80898048

約数和(自身を除く): 40076084

約数列:

[1, 2, 4, 17, 23, 34, 43, 46, 68, 86, 92, 172, 391, 607, 731, 782, 989, 1214, 1462, 1564, 1978, 2428, 2924, 3956, 10319, 13961, 16813, 20638, 26101, 27922, 33626, 41276, 52202, 55844, 67252, 104404, 237337, 443717, 474674, 600323, 887434, 949348, 1200646, 1774868, 2401292, 10205491, 20410982, 40821964]

約数ペア:

[(1, 40821964), (2, 20410982), (4, 10205491), (17, 2401292), (23, 1774868), (34, 1200646), (43, 949348), (46, 887434), (68, 600323), (86, 474674), (92, 443717), (172, 237337), (391, 104404), (607, 67252), (731, 55844), (782, 52202), (989, 41276), (1214, 33626), (1462, 27922), (1564, 26101), (1978, 20638), (2428, 16813), (2924, 13961), (3956, 10319)]