135980440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8563}}^1$

素因数の和:8971

約数の個数: 32

約数和(自身を含む): 306762480

約数和(自身を除く): 170782040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8563, 15880, 17126, 34252, 42815, 68504, 85630, 171260, 342520, 3399511, 6799022, 13598044, 16997555, 27196088, 33995110, 67990220, 135980440]

約数ペア:

[(1, 135980440), (2, 67990220), (4, 33995110), (5, 27196088), (8, 16997555), (10, 13598044), (20, 6799022), (40, 3399511), (397, 342520), (794, 171260), (1588, 85630), (1985, 68504), (3176, 42815), (3970, 34252), (7940, 17126), (8563, 15880)]