129201620

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{11941}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 271847688

約数和(自身を除く): 142646068

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 11941, 23882, 47764, 59705, 119410, 238820, 6460081, 12920162, 25840324, 32300405, 64600810, 129201620]

約数ペア:

[(1, 129201620), (2, 64600810), (4, 32300405), (5, 25840324), (10, 12920162), (20, 6460081), (541, 238820), (1082, 119410), (2164, 59705), (2705, 47764), (5410, 23882), (10820, 11941)]