39998780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48779}}^1$

素因数の和:48829

約数の個数: 24

約数和(自身を含む): 86047920

約数和(自身を除く): 46049140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48779, 97558, 195116, 243895, 487790, 975580, 1999939, 3999878, 7999756, 9999695, 19999390, 39998780]

約数ペア:

[(1, 39998780), (2, 19999390), (4, 9999695), (5, 7999756), (10, 3999878), (20, 1999939), (41, 975580), (82, 487790), (164, 243895), (205, 195116), (410, 97558), (820, 48779)]