18425000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 47809440

約数和(自身を除く): 29384440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 67, 88, 100, 110, 125, 134, 200, 220, 250, 268, 275, 335, 440, 500, 536, 550, 625, 670, 737, 1000, 1100, 1250, 1340, 1375, 1474, 1675, 2200, 2500, 2680, 2750, 2948, 3125, 3350, 3685, 5000, 5500, 5896, 6250, 6700, 6875, 7370, 8375, 11000, 12500, 13400, 13750, 14740, 16750, 18425, 25000, 27500, 29480, 33500, 34375, 36850, 41875, 55000, 67000, 68750, 73700, 83750, 92125, 137500, 147400, 167500, 184250, 209375, 275000, 335000, 368500, 418750, 460625, 737000, 837500, 921250, 1675000, 1842500, 2303125, 3685000, 4606250, 9212500, 18425000]

約数ペア:

[(1, 18425000), (2, 9212500), (4, 4606250), (5, 3685000), (8, 2303125), (10, 1842500), (11, 1675000), (20, 921250), (22, 837500), (25, 737000), (40, 460625), (44, 418750), (50, 368500), (55, 335000), (67, 275000), (88, 209375), (100, 184250), (110, 167500), (125, 147400), (134, 137500), (200, 92125), (220, 83750), (250, 73700), (268, 68750), (275, 67000), (335, 55000), (440, 41875), (500, 36850), (536, 34375), (550, 33500), (625, 29480), (670, 27500), (737, 25000), (1000, 18425), (1100, 16750), (1250, 14740), (1340, 13750), (1375, 13400), (1474, 12500), (1675, 11000), (2200, 8375), (2500, 7370), (2680, 6875), (2750, 6700), (2948, 6250), (3125, 5896), (3350, 5500), (3685, 5000)]