84804560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5381}}^1$

素因数の和:5591

約数の個数: 40

約数和(自身を含む): 198208296

約数和(自身を除く): 113403736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5381, 7880, 10762, 15760, 21524, 26905, 43048, 53810, 86096, 107620, 215240, 430480, 1060057, 2120114, 4240228, 5300285, 8480456, 10600570, 16960912, 21201140, 42402280, 84804560]

約数ペア:

[(1, 84804560), (2, 42402280), (4, 21201140), (5, 16960912), (8, 10600570), (10, 8480456), (16, 5300285), (20, 4240228), (40, 2120114), (80, 1060057), (197, 430480), (394, 215240), (788, 107620), (985, 86096), (1576, 53810), (1970, 43048), (3152, 26905), (3940, 21524), (5381, 15760), (7880, 10762)]