11954980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8419}}^1$

素因数の和:8499

約数の個数: 24

約数和(自身を含む): 25462080

約数和(自身を除く): 13507100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8419, 16838, 33676, 42095, 84190, 168380, 597749, 1195498, 2390996, 2988745, 5977490, 11954980]

約数ペア:

[(1, 11954980), (2, 5977490), (4, 2988745), (5, 2390996), (10, 1195498), (20, 597749), (71, 168380), (142, 84190), (284, 42095), (355, 33676), (710, 16838), (1420, 8419)]