859629520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{110777}}^1$

素因数の和:110887

約数の個数: 40

約数和(自身を含む): 2019261384

約数和(自身を除く): 1159631864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 110777, 221554, 443108, 553885, 886216, 1107770, 1772432, 2215540, 4431080, 8862160, 10745369, 21490738, 42981476, 53726845, 85962952, 107453690, 171925904, 214907380, 429814760, 859629520]

約数ペア:

[(1, 859629520), (2, 429814760), (4, 214907380), (5, 171925904), (8, 107453690), (10, 85962952), (16, 53726845), (20, 42981476), (40, 21490738), (80, 10745369), (97, 8862160), (194, 4431080), (388, 2215540), (485, 1772432), (776, 1107770), (970, 886216), (1552, 553885), (1940, 443108), (3880, 221554), (7760, 110777)]