16421120

素因数分解:

$2^8\times 5^1\times {\mathrm{12829}}^1$

素因数の和:12850

約数の個数: 36

約数和(自身を含む): 39336780

約数和(自身を除く): 22915660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12829, 25658, 51316, 64145, 102632, 128290, 205264, 256580, 410528, 513160, 821056, 1026320, 1642112, 2052640, 3284224, 4105280, 8210560, 16421120]

約数ペア:

[(1, 16421120), (2, 8210560), (4, 4105280), (5, 3284224), (8, 2052640), (10, 1642112), (16, 1026320), (20, 821056), (32, 513160), (40, 410528), (64, 256580), (80, 205264), (128, 128290), (160, 102632), (256, 64145), (320, 51316), (640, 25658), (1280, 12829)]