12803200

素因数分解:

$2^7\times 5^2\times {\mathrm{4001}}^1$

素因数の和:4025

約数の個数: 48

約数和(自身を含む): 31635810

約数和(自身を除く): 18832610

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 4001, 8002, 16004, 20005, 32008, 40010, 64016, 80020, 100025, 128032, 160040, 200050, 256064, 320080, 400100, 512128, 640160, 800200, 1280320, 1600400, 2560640, 3200800, 6401600, 12803200]

約数ペア:

[(1, 12803200), (2, 6401600), (4, 3200800), (5, 2560640), (8, 1600400), (10, 1280320), (16, 800200), (20, 640160), (25, 512128), (32, 400100), (40, 320080), (50, 256064), (64, 200050), (80, 160040), (100, 128032), (128, 100025), (160, 80020), (200, 64016), (320, 40010), (400, 32008), (640, 20005), (800, 16004), (1600, 8002), (3200, 4001)]