61821680

素因数分解:

$2^4\times 5^1\times {\mathrm{772771}}^1$

素因数の和:772784

約数の個数: 20

約数和(自身を含む): 143735592

約数和(自身を除く): 81913912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 772771, 1545542, 3091084, 3863855, 6182168, 7727710, 12364336, 15455420, 30910840, 61821680]

約数ペア:

[(1, 61821680), (2, 30910840), (4, 15455420), (5, 12364336), (8, 7727710), (10, 6182168), (16, 3863855), (20, 3091084), (40, 1545542), (80, 772771)]