12465920

素因数分解:

$2^8\times 5^1\times {\mathrm{9739}}^1$

素因数の和:9760

約数の個数: 36

約数和(自身を含む): 29862840

約数和(自身を除く): 17396920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 194780, 311648, 389560, 623296, 779120, 1246592, 1558240, 2493184, 3116480, 6232960, 12465920]

約数ペア:

[(1, 12465920), (2, 6232960), (4, 3116480), (5, 2493184), (8, 1558240), (10, 1246592), (16, 779120), (20, 623296), (32, 389560), (40, 311648), (64, 194780), (80, 155824), (128, 97390), (160, 77912), (256, 48695), (320, 38956), (640, 19478), (1280, 9739)]