71389497680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8186869}}^1$

素因数の和:8186991

約数の個数: 40

約数和(自身を含む): 167503360200

約数和(自身を除く): 96113862520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 8186869, 16373738, 32747476, 40934345, 65494952, 81868690, 130989904, 163737380, 327474760, 654949520, 892368721, 1784737442, 3569474884, 4461843605, 7138949768, 8923687210, 14277899536, 17847374420, 35694748840, 71389497680]

約数ペア:

[(1, 71389497680), (2, 35694748840), (4, 17847374420), (5, 14277899536), (8, 8923687210), (10, 7138949768), (16, 4461843605), (20, 3569474884), (40, 1784737442), (80, 892368721), (109, 654949520), (218, 327474760), (436, 163737380), (545, 130989904), (872, 81868690), (1090, 65494952), (1744, 40934345), (2180, 32747476), (4360, 16373738), (8720, 8186869)]