4090040

素因数分解:

$2^3\times 5^1\times {\mathrm{102251}}^1$

素因数の和:102262

約数の個数: 16

約数和(自身を含む): 9202680

約数和(自身を除く): 5112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 102251, 204502, 409004, 511255, 818008, 1022510, 2045020, 4090040]

約数ペア:

[(1, 4090040), (2, 2045020), (4, 1022510), (5, 818008), (8, 511255), (10, 409004), (20, 204502), (40, 102251)]