25448980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 56710080

約数和(自身を除く): 31261100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 347, 380, 386, 694, 772, 965, 1388, 1735, 1930, 3470, 3667, 3860, 6593, 6940, 7334, 13186, 14668, 18335, 26372, 32965, 36670, 65930, 66971, 73340, 131860, 133942, 267884, 334855, 669710, 1272449, 1339420, 2544898, 5089796, 6362245, 12724490, 25448980]

約数ペア:

[(1, 25448980), (2, 12724490), (4, 6362245), (5, 5089796), (10, 2544898), (19, 1339420), (20, 1272449), (38, 669710), (76, 334855), (95, 267884), (190, 133942), (193, 131860), (347, 73340), (380, 66971), (386, 65930), (694, 36670), (772, 32965), (965, 26372), (1388, 18335), (1735, 14668), (1930, 13186), (3470, 7334), (3667, 6940), (3860, 6593)]