201188840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{28099}}^1$

素因数の和:28289

約数の個数: 32

約数和(自身を含む): 455220000

約数和(自身を除く): 254031160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 28099, 56198, 112396, 140495, 224792, 280990, 561980, 1123960, 5029721, 10059442, 20118884, 25148605, 40237768, 50297210, 100594420, 201188840]

約数ペア:

[(1, 201188840), (2, 100594420), (4, 50297210), (5, 40237768), (8, 25148605), (10, 20118884), (20, 10059442), (40, 5029721), (179, 1123960), (358, 561980), (716, 280990), (895, 224792), (1432, 140495), (1790, 112396), (3580, 56198), (7160, 28099)]