75808420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42589}}^1$

素因数の和:42687

約数の個数: 24

約数和(自身を含む): 160990200

約数和(自身を除く): 85181780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 42589, 85178, 170356, 212945, 425890, 851780, 3790421, 7580842, 15161684, 18952105, 37904210, 75808420]

約数ペア:

[(1, 75808420), (2, 37904210), (4, 18952105), (5, 15161684), (10, 7580842), (20, 3790421), (89, 851780), (178, 425890), (356, 212945), (445, 170356), (890, 85178), (1780, 42589)]