3876819580

素因数分解:

$2^2\times 5^1\times {\mathrm{193840979}}^1$

素因数の和:193840988

約数の個数: 12

約数和(自身を含む): 8141321160

約数和(自身を除く): 4264501580

約数列:

[1, 2, 4, 5, 10, 20, 193840979, 387681958, 775363916, 969204895, 1938409790, 3876819580]

約数ペア:

[(1, 3876819580), (2, 1938409790), (4, 969204895), (5, 775363916), (10, 387681958), (20, 193840979)]