90638140

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{3119}}^1$

素因数の和:4581

約数の個数: 24

約数和(自身を含む): 190532160

約数和(自身を除く): 99894020

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2906, 3119, 5812, 6238, 7265, 12476, 14530, 15595, 29060, 31190, 62380, 4531907, 9063814, 18127628, 22659535, 45319070, 90638140]

約数ペア:

[(1, 90638140), (2, 45319070), (4, 22659535), (5, 18127628), (10, 9063814), (20, 4531907), (1453, 62380), (2906, 31190), (3119, 29060), (5812, 15595), (6238, 14530), (7265, 12476)]