40900400

素因数分解:

$2^4\times 5^2\times {\mathrm{102251}}^1$

素因数の和:102269

約数の個数: 30

約数和(自身を含む): 98264172

約数和(自身を除く): 57363772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102251, 204502, 409004, 511255, 818008, 1022510, 1636016, 2045020, 2556275, 4090040, 5112550, 8180080, 10225100, 20450200, 40900400]

約数ペア:

[(1, 40900400), (2, 20450200), (4, 10225100), (5, 8180080), (8, 5112550), (10, 4090040), (16, 2556275), (20, 2045020), (25, 1636016), (40, 1022510), (50, 818008), (80, 511255), (100, 409004), (200, 204502), (400, 102251)]