109880720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12601}}^1$

素因数の和:12723

約数の個数: 40

約数和(自身を含む): 257836920

約数和(自身を除く): 147956200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 504040, 1008080, 1373509, 2747018, 5494036, 6867545, 10988072, 13735090, 21976144, 27470180, 54940360, 109880720]

約数ペア:

[(1, 109880720), (2, 54940360), (4, 27470180), (5, 21976144), (8, 13735090), (10, 10988072), (16, 6867545), (20, 5494036), (40, 2747018), (80, 1373509), (109, 1008080), (218, 504040), (436, 252020), (545, 201616), (872, 126010), (1090, 100808), (1744, 63005), (2180, 50404), (4360, 25202), (8720, 12601)]