40031810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43991}}^1$

素因数の和:44018

約数の個数: 32

約数和(自身を含む): 88687872

約数和(自身を除く): 48656062

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 43991, 87982, 219955, 307937, 439910, 571883, 615874, 1143766, 1539685, 2859415, 3079370, 4003181, 5718830, 8006362, 20015905, 40031810]

約数ペア:

[(1, 40031810), (2, 20015905), (5, 8006362), (7, 5718830), (10, 4003181), (13, 3079370), (14, 2859415), (26, 1539685), (35, 1143766), (65, 615874), (70, 571883), (91, 439910), (130, 307937), (182, 219955), (455, 87982), (910, 43991)]