84090040

素因数分解:

$2^3\times 5^1\times {\mathrm{2102251}}^1$

素因数の和:2102262

約数の個数: 16

約数和(自身を含む): 189202680

約数和(自身を除く): 105112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2102251, 4204502, 8409004, 10511255, 16818008, 21022510, 42045020, 84090040]

約数ペア:

[(1, 84090040), (2, 42045020), (4, 21022510), (5, 16818008), (8, 10511255), (10, 8409004), (20, 4204502), (40, 2102251)]