12877400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 31398660

約数和(自身を除く): 18521260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 67, 100, 124, 134, 155, 200, 248, 268, 310, 335, 536, 620, 670, 775, 961, 1240, 1340, 1550, 1675, 1922, 2077, 2680, 3100, 3350, 3844, 4154, 4805, 6200, 6700, 7688, 8308, 9610, 10385, 13400, 16616, 19220, 20770, 24025, 38440, 41540, 48050, 51925, 64387, 83080, 96100, 103850, 128774, 192200, 207700, 257548, 321935, 415400, 515096, 643870, 1287740, 1609675, 2575480, 3219350, 6438700, 12877400]

約数ペア:

[(1, 12877400), (2, 6438700), (4, 3219350), (5, 2575480), (8, 1609675), (10, 1287740), (20, 643870), (25, 515096), (31, 415400), (40, 321935), (50, 257548), (62, 207700), (67, 192200), (100, 128774), (124, 103850), (134, 96100), (155, 83080), (200, 64387), (248, 51925), (268, 48050), (310, 41540), (335, 38440), (536, 24025), (620, 20770), (670, 19220), (775, 16616), (961, 13400), (1240, 10385), (1340, 9610), (1550, 8308), (1675, 7688), (1922, 6700), (2077, 6200), (2680, 4805), (3100, 4154), (3350, 3844)]