80771860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 191842560

約数和(自身を除く): 111070700

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 1039, 1196, 1495, 1690, 2078, 2990, 3380, 3887, 4156, 5195, 5980, 7774, 10390, 13507, 15548, 19435, 20780, 23897, 27014, 38870, 47794, 54028, 67535, 77740, 95588, 119485, 135070, 175591, 238970, 270140, 310661, 351182, 477940, 621322, 702364, 877955, 1242644, 1553305, 1755910, 3106610, 3511820, 4038593, 6213220, 8077186, 16154372, 20192965, 40385930, 80771860]

約数ペア:

[(1, 80771860), (2, 40385930), (4, 20192965), (5, 16154372), (10, 8077186), (13, 6213220), (20, 4038593), (23, 3511820), (26, 3106610), (46, 1755910), (52, 1553305), (65, 1242644), (92, 877955), (115, 702364), (130, 621322), (169, 477940), (230, 351182), (260, 310661), (299, 270140), (338, 238970), (460, 175591), (598, 135070), (676, 119485), (845, 95588), (1039, 77740), (1196, 67535), (1495, 54028), (1690, 47794), (2078, 38870), (2990, 27014), (3380, 23897), (3887, 20780), (4156, 19435), (5195, 15548), (5980, 13507), (7774, 10390)]