5144680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 11861640

約数和(自身を除く): 6716960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3137, 6274, 12548, 15685, 25096, 31370, 62740, 125480, 128617, 257234, 514468, 643085, 1028936, 1286170, 2572340, 5144680]

約数ペア:

[(1, 5144680), (2, 2572340), (4, 1286170), (5, 1028936), (8, 643085), (10, 514468), (20, 257234), (40, 128617), (41, 125480), (82, 62740), (164, 31370), (205, 25096), (328, 15685), (410, 12548), (820, 6274), (1640, 3137)]