16472980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20089}}^1$

素因数の和:20139

約数の個数: 24

約数和(自身を含む): 35438760

約数和(自身を除く): 18965780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20089, 40178, 80356, 100445, 200890, 401780, 823649, 1647298, 3294596, 4118245, 8236490, 16472980]

約数ペア:

[(1, 16472980), (2, 8236490), (4, 4118245), (5, 3294596), (10, 1647298), (20, 823649), (41, 401780), (82, 200890), (164, 100445), (205, 80356), (410, 40178), (820, 20089)]