90189325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 117849600

約数和(自身を除く): 27660275

約数列:

[1, 5, 23, 25, 109, 115, 545, 575, 1439, 2507, 2725, 7195, 12535, 33097, 35975, 62675, 156851, 165485, 784255, 827425, 3607573, 3921275, 18037865, 90189325]

約数ペア:

[(1, 90189325), (5, 18037865), (23, 3921275), (25, 3607573), (109, 827425), (115, 784255), (545, 165485), (575, 156851), (1439, 62675), (2507, 35975), (2725, 33097), (7195, 12535)]