5641220

素因数分解:

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

素因数の和:1704

約数の個数: 36

約数和(自身を含む): 12835620

約数和(自身を除く): 7194400

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1669, 1690, 3338, 3380, 6676, 8345, 16690, 21697, 33380, 43394, 86788, 108485, 216970, 282061, 433940, 564122, 1128244, 1410305, 2820610, 5641220]

約数ペア:

[(1, 5641220), (2, 2820610), (4, 1410305), (5, 1128244), (10, 564122), (13, 433940), (20, 282061), (26, 216970), (52, 108485), (65, 86788), (130, 43394), (169, 33380), (260, 21697), (338, 16690), (676, 8345), (845, 6676), (1669, 3380), (1690, 3338)]