133740800

素因数分解:

$2^8\times 5^2\times {\mathrm{20897}}^1$

素因数の和:20923

約数の個数: 54

約数和(自身を含む): 331045218

約数和(自身を除く): 197304418

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20897, 41794, 83588, 104485, 167176, 208970, 334352, 417940, 522425, 668704, 835880, 1044850, 1337408, 1671760, 2089700, 2674816, 3343520, 4179400, 5349632, 6687040, 8358800, 13374080, 16717600, 26748160, 33435200, 66870400, 133740800]

約数ペア:

[(1, 133740800), (2, 66870400), (4, 33435200), (5, 26748160), (8, 16717600), (10, 13374080), (16, 8358800), (20, 6687040), (25, 5349632), (32, 4179400), (40, 3343520), (50, 2674816), (64, 2089700), (80, 1671760), (100, 1337408), (128, 1044850), (160, 835880), (200, 668704), (256, 522425), (320, 417940), (400, 334352), (640, 208970), (800, 167176), (1280, 104485), (1600, 83588), (3200, 41794), (6400, 20897)]