40220656

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{853}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 89376224

約数和(自身を除く): 49155568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 853, 1684, 1706, 2947, 3368, 3412, 5894, 5971, 6736, 6824, 11788, 11942, 13648, 23576, 23884, 47152, 47768, 95536, 359113, 718226, 1436452, 2513791, 2872904, 5027582, 5745808, 10055164, 20110328, 40220656]

約数ペア:

[(1, 40220656), (2, 20110328), (4, 10055164), (7, 5745808), (8, 5027582), (14, 2872904), (16, 2513791), (28, 1436452), (56, 718226), (112, 359113), (421, 95536), (842, 47768), (853, 47152), (1684, 23884), (1706, 23576), (2947, 13648), (3368, 11942), (3412, 11788), (5894, 6824), (5971, 6736)]