2547440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4549}}^1$

素因数の和:4569

約数の個数: 40

約数和(自身を含む): 6770400

約数和(自身を除く): 4222960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4549, 9098, 18196, 22745, 31843, 36392, 45490, 63686, 72784, 90980, 127372, 159215, 181960, 254744, 318430, 363920, 509488, 636860, 1273720, 2547440]

約数ペア:

[(1, 2547440), (2, 1273720), (4, 636860), (5, 509488), (7, 363920), (8, 318430), (10, 254744), (14, 181960), (16, 159215), (20, 127372), (28, 90980), (35, 72784), (40, 63686), (56, 45490), (70, 36392), (80, 31843), (112, 22745), (140, 18196), (280, 9098), (560, 4549)]