201655040

素因数分解:

$2^8\times 5^1\times {\mathrm{157543}}^1$

素因数の和:157564

約数の個数: 36

約数和(自身を含む): 483029904

約数和(自身を除く): 281374864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 157543, 315086, 630172, 787715, 1260344, 1575430, 2520688, 3150860, 5041376, 6301720, 10082752, 12603440, 20165504, 25206880, 40331008, 50413760, 100827520, 201655040]

約数ペア:

[(1, 201655040), (2, 100827520), (4, 50413760), (5, 40331008), (8, 25206880), (10, 20165504), (16, 12603440), (20, 10082752), (32, 6301720), (40, 5041376), (64, 3150860), (80, 2520688), (128, 1575430), (160, 1260344), (256, 787715), (320, 630172), (640, 315086), (1280, 157543)]