75455980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42391}}^1$

素因数の和:42489

約数の個数: 24

約数和(自身を含む): 160241760

約数和(自身を除く): 84785780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 42391, 84782, 169564, 211955, 423910, 847820, 3772799, 7545598, 15091196, 18863995, 37727990, 75455980]

約数ペア:

[(1, 75455980), (2, 37727990), (4, 18863995), (5, 15091196), (10, 7545598), (20, 3772799), (89, 847820), (178, 423910), (356, 211955), (445, 169564), (890, 84782), (1780, 42391)]