54995180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38729}}^1$

素因数の和:38809

約数の個数: 24

約数和(自身を含む): 117119520

約数和(自身を除く): 62124340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38729, 77458, 154916, 193645, 387290, 774580, 2749759, 5499518, 10999036, 13748795, 27497590, 54995180]

約数ペア:

[(1, 54995180), (2, 27497590), (4, 13748795), (5, 10999036), (10, 5499518), (20, 2749759), (71, 774580), (142, 387290), (284, 193645), (355, 154916), (710, 77458), (1420, 38729)]