20803439120

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{8923}}^1$

素因数の和:9280

約数の個数: 80

約数和(自身を含む): 48946069632

約数和(自身を除く): 28142630512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 193, 302, 386, 604, 755, 772, 965, 1208, 1510, 1544, 1930, 2416, 3020, 3088, 3860, 6040, 7720, 8923, 12080, 15440, 17846, 29143, 35692, 44615, 58286, 71384, 89230, 116572, 142768, 145715, 178460, 233144, 291430, 356920, 466288, 582860, 713840, 1165720, 1347373, 1722139, 2331440, 2694746, 3444278, 5389492, 6736865, 6888556, 8610695, 10778984, 13473730, 13777112, 17221390, 21557968, 26947460, 27554224, 34442780, 53894920, 68885560, 107789840, 137771120, 260042989, 520085978, 1040171956, 1300214945, 2080343912, 2600429890, 4160687824, 5200859780, 10401719560, 20803439120]

約数ペア:

[(1, 20803439120), (2, 10401719560), (4, 5200859780), (5, 4160687824), (8, 2600429890), (10, 2080343912), (16, 1300214945), (20, 1040171956), (40, 520085978), (80, 260042989), (151, 137771120), (193, 107789840), (302, 68885560), (386, 53894920), (604, 34442780), (755, 27554224), (772, 26947460), (965, 21557968), (1208, 17221390), (1510, 13777112), (1544, 13473730), (1930, 10778984), (2416, 8610695), (3020, 6888556), (3088, 6736865), (3860, 5389492), (6040, 3444278), (7720, 2694746), (8923, 2331440), (12080, 1722139), (15440, 1347373), (17846, 1165720), (29143, 713840), (35692, 582860), (44615, 466288), (58286, 356920), (71384, 291430), (89230, 233144), (116572, 178460), (142768, 145715)]