28657540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{62299}}^1$

素因数の和:62331

約数の個数: 24

約数和(自身を含む): 62798400

約数和(自身を除く): 34140860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 62299, 124598, 249196, 311495, 622990, 1245980, 1432877, 2865754, 5731508, 7164385, 14328770, 28657540]

約数ペア:

[(1, 28657540), (2, 14328770), (4, 7164385), (5, 5731508), (10, 2865754), (20, 1432877), (23, 1245980), (46, 622990), (92, 311495), (115, 249196), (230, 124598), (460, 62299)]