3973820

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 8382528

約数和(自身を除く): 4408708

約数列:

[1, 2, 4, 5, 10, 20, 431, 461, 862, 922, 1724, 1844, 2155, 2305, 4310, 4610, 8620, 9220, 198691, 397382, 794764, 993455, 1986910, 3973820]

約数ペア:

[(1, 3973820), (2, 1986910), (4, 993455), (5, 794764), (10, 397382), (20, 198691), (431, 9220), (461, 8620), (862, 4610), (922, 4310), (1724, 2305), (1844, 2155)]