2650871780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{953551}}^1$

素因数の和:953699

約数の個数: 24

約数和(自身を含む): 5606885760

約数和(自身を除く): 2956013980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 953551, 1907102, 3814204, 4767755, 9535510, 19071020, 132543589, 265087178, 530174356, 662717945, 1325435890, 2650871780]

約数ペア:

[(1, 2650871780), (2, 1325435890), (4, 662717945), (5, 530174356), (10, 265087178), (20, 132543589), (139, 19071020), (278, 9535510), (556, 4767755), (695, 3814204), (1390, 1907102), (2780, 953551)]