42540848

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20025

約数の個数: 40

約数和(自身を含む): 99160320

約数和(自身を除く): 56619472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 19991, 39982, 79964, 139937, 159928, 279874, 319856, 379829, 559748, 759658, 1119496, 1519316, 2238992, 2658803, 3038632, 5317606, 6077264, 10635212, 21270424, 42540848]

約数ペア:

[(1, 42540848), (2, 21270424), (4, 10635212), (7, 6077264), (8, 5317606), (14, 3038632), (16, 2658803), (19, 2238992), (28, 1519316), (38, 1119496), (56, 759658), (76, 559748), (112, 379829), (133, 319856), (152, 279874), (266, 159928), (304, 139937), (532, 79964), (1064, 39982), (2128, 19991)]