6439420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24767}}^1$

素因数の和:24789

約数の個数: 24

約数和(自身を含む): 14563584

約数和(自身を除く): 8124164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 24767, 49534, 99068, 123835, 247670, 321971, 495340, 643942, 1287884, 1609855, 3219710, 6439420]

約数ペア:

[(1, 6439420), (2, 3219710), (4, 1609855), (5, 1287884), (10, 643942), (13, 495340), (20, 321971), (26, 247670), (52, 123835), (65, 99068), (130, 49534), (260, 24767)]