2185745920

素因数分解:

$2^9\times 5^1\times {\mathrm{853807}}^1$

素因数の和:853830

約数の個数: 40

約数和(自身を含む): 5240673504

約数和(自身を除く): 3054927584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 853807, 1707614, 3415228, 4269035, 6830456, 8538070, 13660912, 17076140, 27321824, 34152280, 54643648, 68304560, 109287296, 136609120, 218574592, 273218240, 437149184, 546436480, 1092872960, 2185745920]

約数ペア:

[(1, 2185745920), (2, 1092872960), (4, 546436480), (5, 437149184), (8, 273218240), (10, 218574592), (16, 136609120), (20, 109287296), (32, 68304560), (40, 54643648), (64, 34152280), (80, 27321824), (128, 17076140), (160, 13660912), (256, 8538070), (320, 6830456), (512, 4269035), (640, 3415228), (1280, 1707614), (2560, 853807)]