13408032380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16351259}}^1$

素因数の和:16351309

約数の個数: 24

約数和(自身を含む): 28843622640

約数和(自身を除く): 15435590260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16351259, 32702518, 65405036, 81756295, 163512590, 327025180, 670401619, 1340803238, 2681606476, 3352008095, 6704016190, 13408032380]

約数ペア:

[(1, 13408032380), (2, 6704016190), (4, 3352008095), (5, 2681606476), (10, 1340803238), (20, 670401619), (41, 327025180), (82, 163512590), (164, 81756295), (205, 65405036), (410, 32702518), (820, 16351259)]