80458322960

素因数分解:

$2^4\times 5^1\times {\mathrm{31019}}^1\times {\mathrm{32423}}^1$

素因数の和:63455

約数の個数: 40

約数和(自身を含む): 187077401280

約数和(自身を除く): 106619078320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31019, 32423, 62038, 64846, 124076, 129692, 155095, 162115, 248152, 259384, 310190, 324230, 496304, 518768, 620380, 648460, 1240760, 1296920, 2481520, 2593840, 1005729037, 2011458074, 4022916148, 5028645185, 8045832296, 10057290370, 16091664592, 20114580740, 40229161480, 80458322960]

約数ペア:

[(1, 80458322960), (2, 40229161480), (4, 20114580740), (5, 16091664592), (8, 10057290370), (10, 8045832296), (16, 5028645185), (20, 4022916148), (40, 2011458074), (80, 1005729037), (31019, 2593840), (32423, 2481520), (62038, 1296920), (64846, 1240760), (124076, 648460), (129692, 620380), (155095, 518768), (162115, 496304), (248152, 324230), (259384, 310190)]