79812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25913}}^1$

素因数の和:25942

約数の個数: 64

約数和(自身を含む): 223896960

約数和(自身を除く): 144084920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25913, 51826, 103652, 129565, 181391, 207304, 259130, 285043, 362782, 518260, 570086, 725564, 906955, 1036520, 1140172, 1425215, 1451128, 1813910, 1995301, 2280344, 2850430, 3627820, 3990602, 5700860, 7255640, 7981204, 9976505, 11401720, 15962408, 19953010, 39906020, 79812040]

約数ペア:

[(1, 79812040), (2, 39906020), (4, 19953010), (5, 15962408), (7, 11401720), (8, 9976505), (10, 7981204), (11, 7255640), (14, 5700860), (20, 3990602), (22, 3627820), (28, 2850430), (35, 2280344), (40, 1995301), (44, 1813910), (55, 1451128), (56, 1425215), (70, 1140172), (77, 1036520), (88, 906955), (110, 725564), (140, 570086), (154, 518260), (220, 362782), (280, 285043), (308, 259130), (385, 207304), (440, 181391), (616, 129565), (770, 103652), (1540, 51826), (3080, 25913)]