28642000

素因数分解:

$2^4\times 5^3\times {\mathrm{14321}}^1$

素因数の和:14344

約数の個数: 40

約数和(自身を含む): 69261192

約数和(自身を除く): 40619192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 14321, 28642, 57284, 71605, 114568, 143210, 229136, 286420, 358025, 572840, 716050, 1145680, 1432100, 1790125, 2864200, 3580250, 5728400, 7160500, 14321000, 28642000]

約数ペア:

[(1, 28642000), (2, 14321000), (4, 7160500), (5, 5728400), (8, 3580250), (10, 2864200), (16, 1790125), (20, 1432100), (25, 1145680), (40, 716050), (50, 572840), (80, 358025), (100, 286420), (125, 229136), (200, 143210), (250, 114568), (400, 71605), (500, 57284), (1000, 28642), (2000, 14321)]