26862920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 69569280

約数和(自身を除く): 42706360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 487, 788, 974, 985, 1379, 1576, 1948, 1970, 2435, 2758, 3409, 3896, 3940, 4870, 5516, 6818, 6895, 7880, 9740, 11032, 13636, 13790, 17045, 19480, 27272, 27580, 34090, 55160, 68180, 95939, 136360, 191878, 383756, 479695, 671573, 767512, 959390, 1343146, 1918780, 2686292, 3357865, 3837560, 5372584, 6715730, 13431460, 26862920]

約数ペア:

[(1, 26862920), (2, 13431460), (4, 6715730), (5, 5372584), (7, 3837560), (8, 3357865), (10, 2686292), (14, 1918780), (20, 1343146), (28, 959390), (35, 767512), (40, 671573), (56, 479695), (70, 383756), (140, 191878), (197, 136360), (280, 95939), (394, 68180), (487, 55160), (788, 34090), (974, 27580), (985, 27272), (1379, 19480), (1576, 17045), (1948, 13790), (1970, 13636), (2435, 11032), (2758, 9740), (3409, 7880), (3896, 6895), (3940, 6818), (4870, 5516)]