79819520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5669}}^1$

素因数の和:5701

約数の個数: 72

約数和(自身を含む): 208610640

約数和(自身を除く): 128791120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5669, 7040, 11338, 14080, 22676, 28345, 45352, 56690, 62359, 90704, 113380, 124718, 181408, 226760, 249436, 311795, 362816, 453520, 498872, 623590, 725632, 907040, 997744, 1247180, 1451264, 1814080, 1995488, 2494360, 3628160, 3990976, 4988720, 7256320, 7981952, 9977440, 15963904, 19954880, 39909760, 79819520]

約数ペア:

[(1, 79819520), (2, 39909760), (4, 19954880), (5, 15963904), (8, 9977440), (10, 7981952), (11, 7256320), (16, 4988720), (20, 3990976), (22, 3628160), (32, 2494360), (40, 1995488), (44, 1814080), (55, 1451264), (64, 1247180), (80, 997744), (88, 907040), (110, 725632), (128, 623590), (160, 498872), (176, 453520), (220, 362816), (256, 311795), (320, 249436), (352, 226760), (440, 181408), (640, 124718), (704, 113380), (880, 90704), (1280, 62359), (1408, 56690), (1760, 45352), (2816, 28345), (3520, 22676), (5669, 14080), (7040, 11338)]