53725840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 143776512

約数和(自身を除く): 90050672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 487, 560, 788, 974, 985, 1379, 1576, 1948, 1970, 2435, 2758, 3152, 3409, 3896, 3940, 4870, 5516, 6818, 6895, 7792, 7880, 9740, 11032, 13636, 13790, 15760, 17045, 19480, 22064, 27272, 27580, 34090, 38960, 54544, 55160, 68180, 95939, 110320, 136360, 191878, 272720, 383756, 479695, 671573, 767512, 959390, 1343146, 1535024, 1918780, 2686292, 3357865, 3837560, 5372584, 6715730, 7675120, 10745168, 13431460, 26862920, 53725840]

約数ペア:

[(1, 53725840), (2, 26862920), (4, 13431460), (5, 10745168), (7, 7675120), (8, 6715730), (10, 5372584), (14, 3837560), (16, 3357865), (20, 2686292), (28, 1918780), (35, 1535024), (40, 1343146), (56, 959390), (70, 767512), (80, 671573), (112, 479695), (140, 383756), (197, 272720), (280, 191878), (394, 136360), (487, 110320), (560, 95939), (788, 68180), (974, 55160), (985, 54544), (1379, 38960), (1576, 34090), (1948, 27580), (1970, 27272), (2435, 22064), (2758, 19480), (3152, 17045), (3409, 15760), (3896, 13790), (3940, 13636), (4870, 11032), (5516, 9740), (6818, 7880), (6895, 7792)]