78601840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12437}}^1$

素因数の和:12529

約数の個数: 40

約数和(自身を含む): 185077440

約数和(自身を除く): 106475600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12437, 24874, 49748, 62185, 99496, 124370, 198992, 248740, 497480, 982523, 994960, 1965046, 3930092, 4912615, 7860184, 9825230, 15720368, 19650460, 39300920, 78601840]

約数ペア:

[(1, 78601840), (2, 39300920), (4, 19650460), (5, 15720368), (8, 9825230), (10, 7860184), (16, 4912615), (20, 3930092), (40, 1965046), (79, 994960), (80, 982523), (158, 497480), (316, 248740), (395, 198992), (632, 124370), (790, 99496), (1264, 62185), (1580, 49748), (3160, 24874), (6320, 12437)]