18960400

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 46081872

約数和(自身を除く): 27121472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 400, 428, 443, 535, 856, 886, 1070, 1712, 1772, 2140, 2215, 2675, 3544, 4280, 4430, 5350, 7088, 8560, 8860, 10700, 11075, 17720, 21400, 22150, 35440, 42800, 44300, 47401, 88600, 94802, 177200, 189604, 237005, 379208, 474010, 758416, 948020, 1185025, 1896040, 2370050, 3792080, 4740100, 9480200, 18960400]

約数ペア:

[(1, 18960400), (2, 9480200), (4, 4740100), (5, 3792080), (8, 2370050), (10, 1896040), (16, 1185025), (20, 948020), (25, 758416), (40, 474010), (50, 379208), (80, 237005), (100, 189604), (107, 177200), (200, 94802), (214, 88600), (400, 47401), (428, 44300), (443, 42800), (535, 35440), (856, 22150), (886, 21400), (1070, 17720), (1712, 11075), (1772, 10700), (2140, 8860), (2215, 8560), (2675, 7088), (3544, 5350), (4280, 4430)]