2900680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 6589440

約数和(自身を除く): 3688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 571, 635, 1016, 1142, 1270, 2284, 2540, 2855, 4568, 5080, 5710, 11420, 22840, 72517, 145034, 290068, 362585, 580136, 725170, 1450340, 2900680]

約数ペア:

[(1, 2900680), (2, 1450340), (4, 725170), (5, 580136), (8, 362585), (10, 290068), (20, 145034), (40, 72517), (127, 22840), (254, 11420), (508, 5710), (571, 5080), (635, 4568), (1016, 2855), (1142, 2540), (1270, 2284)]