5558540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21379}}^1$

素因数の和:21401

約数の個数: 24

約数和(自身を含む): 12571440

約数和(自身を除く): 7012900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21379, 42758, 85516, 106895, 213790, 277927, 427580, 555854, 1111708, 1389635, 2779270, 5558540]

約数ペア:

[(1, 5558540), (2, 2779270), (4, 1389635), (5, 1111708), (10, 555854), (13, 427580), (20, 277927), (26, 213790), (52, 106895), (65, 85516), (130, 42758), (260, 21379)]