54784280

素因数分解:

$2^3\times 5^1\times {\mathrm{1369607}}^1$

素因数の和:1369618

約数の個数: 16

約数和(自身を含む): 123264720

約数和(自身を除く): 68480440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1369607, 2739214, 5478428, 6848035, 10956856, 13696070, 27392140, 54784280]

約数ペア:

[(1, 54784280), (2, 27392140), (4, 13696070), (5, 10956856), (8, 6848035), (10, 5478428), (20, 2739214), (40, 1369607)]