5550220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21347}}^1$

素因数の和:21369

約数の個数: 24

約数和(自身を含む): 12552624

約数和(自身を除く): 7002404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21347, 42694, 85388, 106735, 213470, 277511, 426940, 555022, 1110044, 1387555, 2775110, 5550220]

約数ペア:

[(1, 5550220), (2, 2775110), (4, 1387555), (5, 1110044), (10, 555022), (13, 426940), (20, 277511), (26, 213470), (52, 106735), (65, 85388), (130, 42694), (260, 21347)]