55540820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 119968128

約数和(自身を除く): 64427308

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 347, 530, 604, 694, 755, 1060, 1388, 1510, 1735, 3020, 3470, 6940, 8003, 16006, 18391, 32012, 36782, 40015, 52397, 73564, 80030, 91955, 104794, 160060, 183910, 209588, 261985, 367820, 523970, 1047940, 2777041, 5554082, 11108164, 13885205, 27770410, 55540820]

約数ペア:

[(1, 55540820), (2, 27770410), (4, 13885205), (5, 11108164), (10, 5554082), (20, 2777041), (53, 1047940), (106, 523970), (151, 367820), (212, 261985), (265, 209588), (302, 183910), (347, 160060), (530, 104794), (604, 91955), (694, 80030), (755, 73564), (1060, 52397), (1388, 40015), (1510, 36782), (1735, 32012), (3020, 18391), (3470, 16006), (6940, 8003)]