80405552

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{25253}}^1$

素因数の和:25460

約数の個数: 20

約数和(自身を含む): 156574800

約数和(自身を除く): 76169248

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 25253, 50506, 101012, 202024, 404048, 5025347, 10050694, 20101388, 40202776, 80405552]

約数ペア:

[(1, 80405552), (2, 40202776), (4, 20101388), (8, 10050694), (16, 5025347), (199, 404048), (398, 202024), (796, 101012), (1592, 50506), (3184, 25253)]