18077200

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1112

約数の個数: 60

約数和(自身を含む): 44482768

約数和(自身を除く): 26405568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1051, 1075, 1720, 2102, 2150, 3440, 4204, 4300, 5255, 8408, 8600, 10510, 16816, 17200, 21020, 26275, 42040, 45193, 52550, 84080, 90386, 105100, 180772, 210200, 225965, 361544, 420400, 451930, 723088, 903860, 1129825, 1807720, 2259650, 3615440, 4519300, 9038600, 18077200]

約数ペア:

[(1, 18077200), (2, 9038600), (4, 4519300), (5, 3615440), (8, 2259650), (10, 1807720), (16, 1129825), (20, 903860), (25, 723088), (40, 451930), (43, 420400), (50, 361544), (80, 225965), (86, 210200), (100, 180772), (172, 105100), (200, 90386), (215, 84080), (344, 52550), (400, 45193), (430, 42040), (688, 26275), (860, 21020), (1051, 17200), (1075, 16816), (1720, 10510), (2102, 8600), (2150, 8408), (3440, 5255), (4204, 4300)]