12542420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 29369088

約数和(自身を除く): 16826668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1213, 2068, 2426, 2585, 4852, 5170, 6065, 10340, 12130, 13343, 24260, 26686, 53372, 57011, 66715, 114022, 133430, 228044, 266860, 285055, 570110, 627121, 1140220, 1254242, 2508484, 3135605, 6271210, 12542420]

約数ペア:

[(1, 12542420), (2, 6271210), (4, 3135605), (5, 2508484), (10, 1254242), (11, 1140220), (20, 627121), (22, 570110), (44, 285055), (47, 266860), (55, 228044), (94, 133430), (110, 114022), (188, 66715), (220, 57011), (235, 53372), (470, 26686), (517, 24260), (940, 13343), (1034, 12130), (1213, 10340), (2068, 6065), (2426, 5170), (2585, 4852)]