433940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 981960

約数和(自身を除く): 548020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1669, 3338, 6676, 8345, 16690, 21697, 33380, 43394, 86788, 108485, 216970, 433940]

約数ペア:

[(1, 433940), (2, 216970), (4, 108485), (5, 86788), (10, 43394), (13, 33380), (20, 21697), (26, 16690), (52, 8345), (65, 6676), (130, 3338), (260, 1669)]