68835680

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3947}}^1$

素因数の和:4071

約数の個数: 48

約数和(自身を含む): 164157840

約数和(自身を除く): 95322160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 3947, 4360, 7894, 8720, 15788, 17440, 19735, 31576, 39470, 63152, 78940, 126304, 157880, 315760, 430223, 631520, 860446, 1720892, 2151115, 3441784, 4302230, 6883568, 8604460, 13767136, 17208920, 34417840, 68835680]

約数ペア:

[(1, 68835680), (2, 34417840), (4, 17208920), (5, 13767136), (8, 8604460), (10, 6883568), (16, 4302230), (20, 3441784), (32, 2151115), (40, 1720892), (80, 860446), (109, 631520), (160, 430223), (218, 315760), (436, 157880), (545, 126304), (872, 78940), (1090, 63152), (1744, 39470), (2180, 31576), (3488, 19735), (3947, 17440), (4360, 15788), (7894, 8720)]