8157954920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1\times {\mathrm{2113}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 18484139520

約数和(自身を除く): 10326184600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 367, 526, 734, 1052, 1315, 1468, 1835, 2104, 2113, 2630, 2936, 3670, 4226, 5260, 7340, 8452, 10520, 10565, 14680, 16904, 21130, 42260, 84520, 96521, 193042, 386084, 482605, 555719, 772168, 775471, 965210, 1111438, 1550942, 1930420, 2222876, 2778595, 3101884, 3860840, 3877355, 4445752, 5557190, 6203768, 7754710, 11114380, 15509420, 22228760, 31018840, 203948873, 407897746, 815795492, 1019744365, 1631590984, 2039488730, 4078977460, 8157954920]

約数ペア:

[(1, 8157954920), (2, 4078977460), (4, 2039488730), (5, 1631590984), (8, 1019744365), (10, 815795492), (20, 407897746), (40, 203948873), (263, 31018840), (367, 22228760), (526, 15509420), (734, 11114380), (1052, 7754710), (1315, 6203768), (1468, 5557190), (1835, 4445752), (2104, 3877355), (2113, 3860840), (2630, 3101884), (2936, 2778595), (3670, 2222876), (4226, 1930420), (5260, 1550942), (7340, 1111438), (8452, 965210), (10520, 775471), (10565, 772168), (14680, 555719), (16904, 482605), (21130, 386084), (42260, 193042), (84520, 96521)]