4154000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 10523136

約数和(自身を除く): 6369136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 67, 80, 100, 124, 125, 134, 155, 200, 248, 250, 268, 310, 335, 400, 496, 500, 536, 620, 670, 775, 1000, 1072, 1240, 1340, 1550, 1675, 2000, 2077, 2480, 2680, 3100, 3350, 3875, 4154, 5360, 6200, 6700, 7750, 8308, 8375, 10385, 12400, 13400, 15500, 16616, 16750, 20770, 26800, 31000, 33232, 33500, 41540, 51925, 62000, 67000, 83080, 103850, 134000, 166160, 207700, 259625, 415400, 519250, 830800, 1038500, 2077000, 4154000]

約数ペア:

[(1, 4154000), (2, 2077000), (4, 1038500), (5, 830800), (8, 519250), (10, 415400), (16, 259625), (20, 207700), (25, 166160), (31, 134000), (40, 103850), (50, 83080), (62, 67000), (67, 62000), (80, 51925), (100, 41540), (124, 33500), (125, 33232), (134, 31000), (155, 26800), (200, 20770), (248, 16750), (250, 16616), (268, 15500), (310, 13400), (335, 12400), (400, 10385), (496, 8375), (500, 8308), (536, 7750), (620, 6700), (670, 6200), (775, 5360), (1000, 4154), (1072, 3875), (1240, 3350), (1340, 3100), (1550, 2680), (1675, 2480), (2000, 2077)]