15404680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3739}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 35006400

約数和(自身を除く): 19601720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3739, 4120, 7478, 14956, 18695, 29912, 37390, 74780, 149560, 385117, 770234, 1540468, 1925585, 3080936, 3851170, 7702340, 15404680]

約数ペア:

[(1, 15404680), (2, 7702340), (4, 3851170), (5, 3080936), (8, 1925585), (10, 1540468), (20, 770234), (40, 385117), (103, 149560), (206, 74780), (412, 37390), (515, 29912), (824, 18695), (1030, 14956), (2060, 7478), (3739, 4120)]