8723440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 23141376

約数和(自身を除く): 14417936

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, 431, 440, 460, 506, 862, 880, 920, 1012, 1265, 1724, 1840, 2024, 2155, 2530, 3448, 4048, 4310, 4741, 5060, 6896, 8620, 9482, 9913, 10120, 17240, 18964, 19826, 20240, 23705, 34480, 37928, 39652, 47410, 49565, 75856, 79304, 94820, 99130, 109043, 158608, 189640, 198260, 218086, 379280, 396520, 436172, 545215, 793040, 872344, 1090430, 1744688, 2180860, 4361720, 8723440]

約数ペア:

[(1, 8723440), (2, 4361720), (4, 2180860), (5, 1744688), (8, 1090430), (10, 872344), (11, 793040), (16, 545215), (20, 436172), (22, 396520), (23, 379280), (40, 218086), (44, 198260), (46, 189640), (55, 158608), (80, 109043), (88, 99130), (92, 94820), (110, 79304), (115, 75856), (176, 49565), (184, 47410), (220, 39652), (230, 37928), (253, 34480), (368, 23705), (431, 20240), (440, 19826), (460, 18964), (506, 17240), (862, 10120), (880, 9913), (920, 9482), (1012, 8620), (1265, 6896), (1724, 5060), (1840, 4741), (2024, 4310), (2155, 4048), (2530, 3448)]