155992040

素因数分解:

$2^3\times 5^1\times {\mathrm{3899801}}^1$

素因数の和:3899812

約数の個数: 16

約数和(自身を含む): 350982180

約数和(自身を除く): 194990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3899801, 7799602, 15599204, 19499005, 31198408, 38998010, 77996020, 155992040]

約数ペア:

[(1, 155992040), (2, 77996020), (4, 38998010), (5, 31198408), (8, 19499005), (10, 15599204), (20, 7799602), (40, 3899801)]