3984080

素因数分解:

$2^4\times 5^1\times {\mathrm{49801}}^1$

素因数の和:49814

約数の個数: 20

約数和(自身を含む): 9263172

約数和(自身を除く): 5279092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49801, 99602, 199204, 249005, 398408, 498010, 796816, 996020, 1992040, 3984080]

約数ペア:

[(1, 3984080), (2, 1992040), (4, 996020), (5, 796816), (8, 498010), (10, 398408), (16, 249005), (20, 199204), (40, 99602), (80, 49801)]