55271920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 141740928

約数和(自身を除く): 86469008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 587, 856, 880, 1070, 1174, 1177, 1712, 2140, 2348, 2354, 2935, 4280, 4696, 4708, 5870, 5885, 6457, 8560, 9392, 9416, 11740, 11770, 12914, 18832, 23480, 23540, 25828, 32285, 46960, 47080, 51656, 62809, 64570, 94160, 103312, 125618, 129140, 251236, 258280, 314045, 502472, 516560, 628090, 690899, 1004944, 1256180, 1381798, 2512360, 2763596, 3454495, 5024720, 5527192, 6908990, 11054384, 13817980, 27635960, 55271920]

約数ペア:

[(1, 55271920), (2, 27635960), (4, 13817980), (5, 11054384), (8, 6908990), (10, 5527192), (11, 5024720), (16, 3454495), (20, 2763596), (22, 2512360), (40, 1381798), (44, 1256180), (55, 1004944), (80, 690899), (88, 628090), (107, 516560), (110, 502472), (176, 314045), (214, 258280), (220, 251236), (428, 129140), (440, 125618), (535, 103312), (587, 94160), (856, 64570), (880, 62809), (1070, 51656), (1174, 47080), (1177, 46960), (1712, 32285), (2140, 25828), (2348, 23540), (2354, 23480), (2935, 18832), (4280, 12914), (4696, 11770), (4708, 11740), (5870, 9416), (5885, 9392), (6457, 8560)]