55142120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11393}}^1$

素因数の和:11426

約数の個数: 48

約数和(自身を含む): 136386180

約数和(自身を除く): 81244060

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 11393, 22786, 45572, 56965, 91144, 113930, 125323, 227860, 250646, 455720, 501292, 626615, 1002584, 1253230, 1378553, 2506460, 2757106, 5012920, 5514212, 6892765, 11028424, 13785530, 27571060, 55142120]

約数ペア:

[(1, 55142120), (2, 27571060), (4, 13785530), (5, 11028424), (8, 6892765), (10, 5514212), (11, 5012920), (20, 2757106), (22, 2506460), (40, 1378553), (44, 1253230), (55, 1002584), (88, 626615), (110, 501292), (121, 455720), (220, 250646), (242, 227860), (440, 125323), (484, 113930), (605, 91144), (968, 56965), (1210, 45572), (2420, 22786), (4840, 11393)]