71315420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324161}}^1$

素因数の和:324181

約数の個数: 24

約数和(自身を含む): 163377648

約数和(自身を除く): 92062228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 324161, 648322, 1296644, 1620805, 3241610, 3565771, 6483220, 7131542, 14263084, 17828855, 35657710, 71315420]

約数ペア:

[(1, 71315420), (2, 35657710), (4, 17828855), (5, 14263084), (10, 7131542), (11, 6483220), (20, 3565771), (22, 3241610), (44, 1620805), (55, 1296644), (110, 648322), (220, 324161)]