90440804980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{50809441}}^1$

素因数の和:50809539

約数の個数: 24

約数和(自身を含む): 192059690760

約数和(自身を除く): 101618885780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 50809441, 101618882, 203237764, 254047205, 508094410, 1016188820, 4522040249, 9044080498, 18088160996, 22610201245, 45220402490, 90440804980]

約数ペア:

[(1, 90440804980), (2, 45220402490), (4, 22610201245), (5, 18088160996), (10, 9044080498), (20, 4522040249), (89, 1016188820), (178, 508094410), (356, 254047205), (445, 203237764), (890, 101618882), (1780, 50809441)]