3943960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 9084240

約数和(自身を除く): 5140280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2293, 4586, 9172, 11465, 18344, 22930, 45860, 91720, 98599, 197198, 394396, 492995, 788792, 985990, 1971980, 3943960]

約数ペア:

[(1, 3943960), (2, 1971980), (4, 985990), (5, 788792), (8, 492995), (10, 394396), (20, 197198), (40, 98599), (43, 91720), (86, 45860), (172, 22930), (215, 18344), (344, 11465), (430, 9172), (860, 4586), (1720, 2293)]