55436000

素因数分解:

$2^5\times 5^3\times {\mathrm{13859}}^1$

素因数の和:13884

約数の個数: 48

約数和(自身を含む): 136216080

約数和(自身を除く): 80780080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 13859, 27718, 55436, 69295, 110872, 138590, 221744, 277180, 346475, 443488, 554360, 692950, 1108720, 1385900, 1732375, 2217440, 2771800, 3464750, 5543600, 6929500, 11087200, 13859000, 27718000, 55436000]

約数ペア:

[(1, 55436000), (2, 27718000), (4, 13859000), (5, 11087200), (8, 6929500), (10, 5543600), (16, 3464750), (20, 2771800), (25, 2217440), (32, 1732375), (40, 1385900), (50, 1108720), (80, 692950), (100, 554360), (125, 443488), (160, 346475), (200, 277180), (250, 221744), (400, 138590), (500, 110872), (800, 69295), (1000, 55436), (2000, 27718), (4000, 13859)]