51182780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2803}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 118710144

約数和(自身を除く): 67527364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 2803, 3652, 4565, 5606, 9130, 11212, 14015, 18260, 28030, 30833, 56060, 61666, 123332, 154165, 232649, 308330, 465298, 616660, 930596, 1163245, 2326490, 2559139, 4652980, 5118278, 10236556, 12795695, 25591390, 51182780]

約数ペア:

[(1, 51182780), (2, 25591390), (4, 12795695), (5, 10236556), (10, 5118278), (11, 4652980), (20, 2559139), (22, 2326490), (44, 1163245), (55, 930596), (83, 616660), (110, 465298), (166, 308330), (220, 232649), (332, 154165), (415, 123332), (830, 61666), (913, 56060), (1660, 30833), (1826, 28030), (2803, 18260), (3652, 14015), (4565, 11212), (5606, 9130)]