26139890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 53961984

約数和(自身を除く): 27822094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 887, 1774, 2105, 2947, 4210, 4435, 5894, 6209, 8870, 12418, 14735, 29470, 31045, 62090, 373427, 746854, 1867135, 2613989, 3734270, 5227978, 13069945, 26139890]

約数ペア:

[(1, 26139890), (2, 13069945), (5, 5227978), (7, 3734270), (10, 2613989), (14, 1867135), (35, 746854), (70, 373427), (421, 62090), (842, 31045), (887, 29470), (1774, 14735), (2105, 12418), (2947, 8870), (4210, 6209), (4435, 5894)]