30328520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18493}}^1$

素因数の和:18545

約数の個数: 32

約数和(自身を含む): 69907320

約数和(自身を除く): 39578800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18493, 36986, 73972, 92465, 147944, 184930, 369860, 739720, 758213, 1516426, 3032852, 3791065, 6065704, 7582130, 15164260, 30328520]

約数ペア:

[(1, 30328520), (2, 15164260), (4, 7582130), (5, 6065704), (8, 3791065), (10, 3032852), (20, 1516426), (40, 758213), (41, 739720), (82, 369860), (164, 184930), (205, 147944), (328, 92465), (410, 73972), (820, 36986), (1640, 18493)]