28942040

素因数分解:

$2^3\times 5^1\times {\mathrm{723551}}^1$

素因数の和:723562

約数の個数: 16

約数和(自身を含む): 65119680

約数和(自身を除く): 36177640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 723551, 1447102, 2894204, 3617755, 5788408, 7235510, 14471020, 28942040]

約数ペア:

[(1, 28942040), (2, 14471020), (4, 7235510), (5, 5788408), (8, 3617755), (10, 2894204), (20, 1447102), (40, 723551)]