205148800

素因数分解:

$2^7\times 5^2\times {\mathrm{64109}}^1$

素因数の和:64133

約数の個数: 48

約数和(自身を含む): 506789550

約数和(自身を除く): 301640750

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, 64109, 128218, 256436, 320545, 512872, 641090, 1025744, 1282180, 1602725, 2051488, 2564360, 3205450, 4102976, 5128720, 6410900, 8205952, 10257440, 12821800, 20514880, 25643600, 41029760, 51287200, 102574400, 205148800]

約数ペア:

[(1, 205148800), (2, 102574400), (4, 51287200), (5, 41029760), (8, 25643600), (10, 20514880), (16, 12821800), (20, 10257440), (25, 8205952), (32, 6410900), (40, 5128720), (50, 4102976), (64, 3205450), (80, 2564360), (100, 2051488), (128, 1602725), (160, 1282180), (200, 1025744), (320, 641090), (400, 512872), (640, 320545), (800, 256436), (1600, 128218), (3200, 64109)]