180690820

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{9601}}^1$

素因数の和:10551

約数の個数: 24

約数和(自身を含む): 379893528

約数和(自身を除く): 199202708

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 9410, 9601, 18820, 19202, 38404, 48005, 96010, 192020, 9034541, 18069082, 36138164, 45172705, 90345410, 180690820]

約数ペア:

[(1, 180690820), (2, 90345410), (4, 45172705), (5, 36138164), (10, 18069082), (20, 9034541), (941, 192020), (1882, 96010), (3764, 48005), (4705, 38404), (9410, 19202), (9601, 18820)]