8916040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4549}}^1$

素因数の和:4574

約数の個数: 48

約数和(自身を含む): 23341500

約数和(自身を除く): 14425460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4549, 9098, 18196, 22745, 31843, 36392, 45490, 63686, 90980, 127372, 159215, 181960, 222901, 254744, 318430, 445802, 636860, 891604, 1114505, 1273720, 1783208, 2229010, 4458020, 8916040]

約数ペア:

[(1, 8916040), (2, 4458020), (4, 2229010), (5, 1783208), (7, 1273720), (8, 1114505), (10, 891604), (14, 636860), (20, 445802), (28, 318430), (35, 254744), (40, 222901), (49, 181960), (56, 159215), (70, 127372), (98, 90980), (140, 63686), (196, 45490), (245, 36392), (280, 31843), (392, 22745), (490, 18196), (980, 9098), (1960, 4549)]