20121949600

素因数分解:

$2^5\times 5^2\times {\mathrm{25152437}}^1$

素因数の和:25152457

約数の個数: 36

約数和(自身を含む): 49122711414

約数和(自身を除く): 29000761814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25152437, 50304874, 100609748, 125762185, 201219496, 251524370, 402438992, 503048740, 628810925, 804877984, 1006097480, 1257621850, 2012194960, 2515243700, 4024389920, 5030487400, 10060974800, 20121949600]

約数ペア:

[(1, 20121949600), (2, 10060974800), (4, 5030487400), (5, 4024389920), (8, 2515243700), (10, 2012194960), (16, 1257621850), (20, 1006097480), (25, 804877984), (32, 628810925), (40, 503048740), (50, 402438992), (80, 251524370), (100, 201219496), (160, 125762185), (200, 100609748), (400, 50304874), (800, 25152437)]