38888680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9439}}^1$

素因数の和:9553

約数の個数: 32

約数和(自身を含む): 88358400

約数和(自身を除く): 49469720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9439, 18878, 37756, 47195, 75512, 94390, 188780, 377560, 972217, 1944434, 3888868, 4861085, 7777736, 9722170, 19444340, 38888680]

約数ペア:

[(1, 38888680), (2, 19444340), (4, 9722170), (5, 7777736), (8, 4861085), (10, 3888868), (20, 1944434), (40, 972217), (103, 377560), (206, 188780), (412, 94390), (515, 75512), (824, 47195), (1030, 37756), (2060, 18878), (4120, 9439)]