6980360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 15859800

約数和(自身を除く): 8879440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1601, 2180, 3202, 4360, 6404, 8005, 12808, 16010, 32020, 64040, 174509, 349018, 698036, 872545, 1396072, 1745090, 3490180, 6980360]

約数ペア:

[(1, 6980360), (2, 3490180), (4, 1745090), (5, 1396072), (8, 872545), (10, 698036), (20, 349018), (40, 174509), (109, 64040), (218, 32020), (436, 16010), (545, 12808), (872, 8005), (1090, 6404), (1601, 4360), (2180, 3202)]