74239640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7057}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 167698080

約数和(自身を除く): 93458440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7057, 10520, 14114, 28228, 35285, 56456, 70570, 141140, 282280, 1855991, 3711982, 7423964, 9279955, 14847928, 18559910, 37119820, 74239640]

約数ペア:

[(1, 74239640), (2, 37119820), (4, 18559910), (5, 14847928), (8, 9279955), (10, 7423964), (20, 3711982), (40, 1855991), (263, 282280), (526, 141140), (1052, 70570), (1315, 56456), (2104, 35285), (2630, 28228), (5260, 14114), (7057, 10520)]