77840680

素因数分解:

$2^3\times 5^1\times {\mathrm{1946017}}^1$

素因数の和:1946028

約数の個数: 16

約数和(自身を含む): 175141620

約数和(自身を除く): 97300940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1946017, 3892034, 7784068, 9730085, 15568136, 19460170, 38920340, 77840680]

約数ペア:

[(1, 77840680), (2, 38920340), (4, 19460170), (5, 15568136), (8, 9730085), (10, 7784068), (20, 3892034), (40, 1946017)]