66665000

素因数分解:

$2^3\times 5^4\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 159324000

約数和(自身を除く): 92659000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 125, 134, 199, 200, 250, 268, 335, 398, 500, 536, 625, 670, 796, 995, 1000, 1250, 1340, 1592, 1675, 1990, 2500, 2680, 3350, 3980, 4975, 5000, 6700, 7960, 8375, 9950, 13333, 13400, 16750, 19900, 24875, 26666, 33500, 39800, 41875, 49750, 53332, 66665, 67000, 83750, 99500, 106664, 124375, 133330, 167500, 199000, 248750, 266660, 333325, 335000, 497500, 533320, 666650, 995000, 1333300, 1666625, 2666600, 3333250, 6666500, 8333125, 13333000, 16666250, 33332500, 66665000]

約数ペア:

[(1, 66665000), (2, 33332500), (4, 16666250), (5, 13333000), (8, 8333125), (10, 6666500), (20, 3333250), (25, 2666600), (40, 1666625), (50, 1333300), (67, 995000), (100, 666650), (125, 533320), (134, 497500), (199, 335000), (200, 333325), (250, 266660), (268, 248750), (335, 199000), (398, 167500), (500, 133330), (536, 124375), (625, 106664), (670, 99500), (796, 83750), (995, 67000), (1000, 66665), (1250, 53332), (1340, 49750), (1592, 41875), (1675, 39800), (1990, 33500), (2500, 26666), (2680, 24875), (3350, 19900), (3980, 16750), (4975, 13400), (5000, 13333), (6700, 9950), (7960, 8375)]