39450380

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4919}}^1$

素因数の和:5329

約数の個数: 24

約数和(自身を含む): 83069280

約数和(自身を除く): 43618900

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 4919, 8020, 9838, 19676, 24595, 49190, 98380, 1972519, 3945038, 7890076, 9862595, 19725190, 39450380]

約数ペア:

[(1, 39450380), (2, 19725190), (4, 9862595), (5, 7890076), (10, 3945038), (20, 1972519), (401, 98380), (802, 49190), (1604, 24595), (2005, 19676), (4010, 9838), (4919, 8020)]