69987520

素因数分解:

$2^6\times 5^1\times {\mathrm{218711}}^1$

素因数の和:218728

約数の個数: 28

約数和(自身を含む): 166658544

約数和(自身を除く): 96671024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 218711, 437422, 874844, 1093555, 1749688, 2187110, 3499376, 4374220, 6998752, 8748440, 13997504, 17496880, 34993760, 69987520]

約数ペア:

[(1, 69987520), (2, 34993760), (4, 17496880), (5, 13997504), (8, 8748440), (10, 6998752), (16, 4374220), (20, 3499376), (32, 2187110), (40, 1749688), (64, 1093555), (80, 874844), (160, 437422), (320, 218711)]