139310440

素因数分解:

$2^3\times 5^1\times {\mathrm{3482761}}^1$

素因数の和:3482772

約数の個数: 16

約数和(自身を含む): 313448580

約数和(自身を除く): 174138140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3482761, 6965522, 13931044, 17413805, 27862088, 34827610, 69655220, 139310440]

約数ペア:

[(1, 139310440), (2, 69655220), (4, 34827610), (5, 27862088), (8, 17413805), (10, 13931044), (20, 6965522), (40, 3482761)]