208001680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{49057}}^1$

素因数の和:49123

約数の個数: 40

約数和(自身を含む): 492738552

約数和(自身を除く): 284736872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 49057, 98114, 196228, 245285, 392456, 490570, 784912, 981140, 1962280, 2600021, 3924560, 5200042, 10400084, 13000105, 20800168, 26000210, 41600336, 52000420, 104000840, 208001680]

約数ペア:

[(1, 208001680), (2, 104000840), (4, 52000420), (5, 41600336), (8, 26000210), (10, 20800168), (16, 13000105), (20, 10400084), (40, 5200042), (53, 3924560), (80, 2600021), (106, 1962280), (212, 981140), (265, 784912), (424, 490570), (530, 392456), (848, 245285), (1060, 196228), (2120, 98114), (4240, 49057)]