1982686000

素因数分解:

$2^4\times 5^3\times {\mathrm{991343}}^1$

素因数の和:991366

約数の個数: 40

約数和(自身を含む): 4794139584

約数和(自身を除く): 2811453584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 991343, 1982686, 3965372, 4956715, 7930744, 9913430, 15861488, 19826860, 24783575, 39653720, 49567150, 79307440, 99134300, 123917875, 198268600, 247835750, 396537200, 495671500, 991343000, 1982686000]

約数ペア:

[(1, 1982686000), (2, 991343000), (4, 495671500), (5, 396537200), (8, 247835750), (10, 198268600), (16, 123917875), (20, 99134300), (25, 79307440), (40, 49567150), (50, 39653720), (80, 24783575), (100, 19826860), (125, 15861488), (200, 9913430), (250, 7930744), (400, 4956715), (500, 3965372), (1000, 1982686), (2000, 991343)]