85403440

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5419}}^1$

素因数の和:5629

約数の個数: 40

約数和(自身を含む): 199607760

約数和(自身を除く): 114204320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5419, 7880, 10838, 15760, 21676, 27095, 43352, 54190, 86704, 108380, 216760, 433520, 1067543, 2135086, 4270172, 5337715, 8540344, 10675430, 17080688, 21350860, 42701720, 85403440]

約数ペア:

[(1, 85403440), (2, 42701720), (4, 21350860), (5, 17080688), (8, 10675430), (10, 8540344), (16, 5337715), (20, 4270172), (40, 2135086), (80, 1067543), (197, 433520), (394, 216760), (788, 108380), (985, 86704), (1576, 54190), (1970, 43352), (3152, 27095), (3940, 21676), (5419, 15760), (7880, 10838)]