12771440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 33854976

約数和(自身を除く): 21083536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 631, 880, 920, 1012, 1262, 1265, 1840, 2024, 2524, 2530, 3155, 4048, 5048, 5060, 6310, 6941, 10096, 10120, 12620, 13882, 14513, 20240, 25240, 27764, 29026, 34705, 50480, 55528, 58052, 69410, 72565, 111056, 116104, 138820, 145130, 159643, 232208, 277640, 290260, 319286, 555280, 580520, 638572, 798215, 1161040, 1277144, 1596430, 2554288, 3192860, 6385720, 12771440]

約数ペア:

[(1, 12771440), (2, 6385720), (4, 3192860), (5, 2554288), (8, 1596430), (10, 1277144), (11, 1161040), (16, 798215), (20, 638572), (22, 580520), (23, 555280), (40, 319286), (44, 290260), (46, 277640), (55, 232208), (80, 159643), (88, 145130), (92, 138820), (110, 116104), (115, 111056), (176, 72565), (184, 69410), (220, 58052), (230, 55528), (253, 50480), (368, 34705), (440, 29026), (460, 27764), (506, 25240), (631, 20240), (880, 14513), (920, 13882), (1012, 12620), (1262, 10120), (1265, 10096), (1840, 6941), (2024, 6310), (2524, 5060), (2530, 5048), (3155, 4048)]