65843200

素因数分解:

$2^{12}\times 5^2\times {\mathrm{643}}^1$

素因数の和:677

約数の個数: 78

約数和(自身を含む): 163525124

約数和(自身を除く): 97681924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 643, 800, 1024, 1280, 1286, 1600, 2048, 2560, 2572, 3200, 3215, 4096, 5120, 5144, 6400, 6430, 10240, 10288, 12800, 12860, 16075, 20480, 20576, 25600, 25720, 32150, 41152, 51200, 51440, 64300, 82304, 102400, 102880, 128600, 164608, 205760, 257200, 329216, 411520, 514400, 658432, 823040, 1028800, 1316864, 1646080, 2057600, 2633728, 3292160, 4115200, 6584320, 8230400, 13168640, 16460800, 32921600, 65843200]

約数ペア:

[(1, 65843200), (2, 32921600), (4, 16460800), (5, 13168640), (8, 8230400), (10, 6584320), (16, 4115200), (20, 3292160), (25, 2633728), (32, 2057600), (40, 1646080), (50, 1316864), (64, 1028800), (80, 823040), (100, 658432), (128, 514400), (160, 411520), (200, 329216), (256, 257200), (320, 205760), (400, 164608), (512, 128600), (640, 102880), (643, 102400), (800, 82304), (1024, 64300), (1280, 51440), (1286, 51200), (1600, 41152), (2048, 32150), (2560, 25720), (2572, 25600), (3200, 20576), (3215, 20480), (4096, 16075), (5120, 12860), (5144, 12800), (6400, 10288), (6430, 10240)]