51204140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6791}}^1$

素因数の和:6842

約数の個数: 48

約数和(自身を含む): 119810880

約数和(自身を除く): 68606740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 6791, 7540, 13582, 27164, 33955, 67910, 88283, 135820, 176566, 196939, 353132, 393878, 441415, 787756, 882830, 984695, 1765660, 1969390, 2560207, 3938780, 5120414, 10240828, 12801035, 25602070, 51204140]

約数ペア:

[(1, 51204140), (2, 25602070), (4, 12801035), (5, 10240828), (10, 5120414), (13, 3938780), (20, 2560207), (26, 1969390), (29, 1765660), (52, 984695), (58, 882830), (65, 787756), (116, 441415), (130, 393878), (145, 353132), (260, 196939), (290, 176566), (377, 135820), (580, 88283), (754, 67910), (1508, 33955), (1885, 27164), (3770, 13582), (6791, 7540)]