27685480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37632920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 269, 310, 332, 415, 538, 620, 664, 830, 1076, 1240, 1345, 1660, 2152, 2573, 2690, 3320, 5146, 5380, 8339, 10292, 10760, 12865, 16678, 20584, 22327, 25730, 33356, 41695, 44654, 51460, 66712, 83390, 89308, 102920, 111635, 166780, 178616, 223270, 333560, 446540, 692137, 893080, 1384274, 2768548, 3460685, 5537096, 6921370, 13842740, 27685480]

約数ペア:

[(1, 27685480), (2, 13842740), (4, 6921370), (5, 5537096), (8, 3460685), (10, 2768548), (20, 1384274), (31, 893080), (40, 692137), (62, 446540), (83, 333560), (124, 223270), (155, 178616), (166, 166780), (248, 111635), (269, 102920), (310, 89308), (332, 83390), (415, 66712), (538, 51460), (620, 44654), (664, 41695), (830, 33356), (1076, 25730), (1240, 22327), (1345, 20584), (1660, 16678), (2152, 12865), (2573, 10760), (2690, 10292), (3320, 8339), (5146, 5380)]