31847980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38839}}^1$

素因数の和:38889

約数の個数: 24

約数和(自身を含む): 68513760

約数和(自身を除く): 36665780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38839, 77678, 155356, 194195, 388390, 776780, 1592399, 3184798, 6369596, 7961995, 15923990, 31847980]

約数ペア:

[(1, 31847980), (2, 15923990), (4, 7961995), (5, 6369596), (10, 3184798), (20, 1592399), (41, 776780), (82, 388390), (164, 194195), (205, 155356), (410, 77678), (820, 38839)]