27720961750

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 53366433120

約数和(自身を除く): 25645471370

約数列:

[1, 2, 5, 10, 25, 50, 79, 109, 125, 158, 163, 218, 250, 326, 395, 545, 790, 815, 1090, 1630, 1975, 2725, 3950, 4075, 5450, 6241, 8150, 8611, 9875, 12482, 12877, 13625, 17222, 17767, 19750, 20375, 25754, 27250, 31205, 35534, 40750, 43055, 62410, 64385, 86110, 88835, 128770, 156025, 177670, 215275, 312050, 321925, 430550, 444175, 643850, 680269, 780125, 888350, 1017283, 1076375, 1360538, 1403593, 1560250, 1609625, 2034566, 2152750, 2220875, 2807186, 3219250, 3401345, 4441750, 5086415, 6802690, 7017965, 10172830, 14035930, 17006725, 25432075, 34013450, 35089825, 50864150, 70179650, 85033625, 110883847, 127160375, 170067250, 175449125, 221767694, 254320750, 350898250, 554419235, 1108838470, 2772096175, 5544192350, 13860480875, 27720961750]

約数ペア:

[(1, 27720961750), (2, 13860480875), (5, 5544192350), (10, 2772096175), (25, 1108838470), (50, 554419235), (79, 350898250), (109, 254320750), (125, 221767694), (158, 175449125), (163, 170067250), (218, 127160375), (250, 110883847), (326, 85033625), (395, 70179650), (545, 50864150), (790, 35089825), (815, 34013450), (1090, 25432075), (1630, 17006725), (1975, 14035930), (2725, 10172830), (3950, 7017965), (4075, 6802690), (5450, 5086415), (6241, 4441750), (8150, 3401345), (8611, 3219250), (9875, 2807186), (12482, 2220875), (12877, 2152750), (13625, 2034566), (17222, 1609625), (17767, 1560250), (19750, 1403593), (20375, 1360538), (25754, 1076375), (27250, 1017283), (31205, 888350), (35534, 780125), (40750, 680269), (43055, 643850), (62410, 444175), (64385, 430550), (86110, 321925), (88835, 312050), (128770, 215275), (156025, 177670)]