197390080

素因数分解:

$2^8\times 5^1\times {\mathrm{154211}}^1$

素因数の和:154232

約数の個数: 36

約数和(自身を含む): 472813992

約数和(自身を除く): 275423912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 154211, 308422, 616844, 771055, 1233688, 1542110, 2467376, 3084220, 4934752, 6168440, 9869504, 12336880, 19739008, 24673760, 39478016, 49347520, 98695040, 197390080]

約数ペア:

[(1, 197390080), (2, 98695040), (4, 49347520), (5, 39478016), (8, 24673760), (10, 19739008), (16, 12336880), (20, 9869504), (32, 6168440), (40, 4934752), (64, 3084220), (80, 2467376), (128, 1542110), (160, 1233688), (256, 771055), (320, 616844), (640, 308422), (1280, 154211)]