6891820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2039}}^1$

素因数の和:2074

約数の個数: 36

約数和(自身を含む): 15679440

約数和(自身を除く): 8787620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2039, 3380, 4078, 8156, 10195, 20390, 26507, 40780, 53014, 106028, 132535, 265070, 344591, 530140, 689182, 1378364, 1722955, 3445910, 6891820]

約数ペア:

[(1, 6891820), (2, 3445910), (4, 1722955), (5, 1378364), (10, 689182), (13, 530140), (20, 344591), (26, 265070), (52, 132535), (65, 106028), (130, 53014), (169, 40780), (260, 26507), (338, 20390), (676, 10195), (845, 8156), (1690, 4078), (2039, 3380)]