91029520

素因数分解:

$2^4\times 5^1\times {\mathrm{1137869}}^1$

素因数の和:1137882

約数の個数: 20

約数和(自身を含む): 211643820

約数和(自身を除く): 120614300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1137869, 2275738, 4551476, 5689345, 9102952, 11378690, 18205904, 22757380, 45514760, 91029520]

約数ペア:

[(1, 91029520), (2, 45514760), (4, 22757380), (5, 18205904), (8, 11378690), (10, 9102952), (16, 5689345), (20, 4551476), (40, 2275738), (80, 1137869)]