4084000

素因数分解:

$2^5\times 5^3\times {\mathrm{1021}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 10044216

約数和(自身を除く): 5960216

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, 1021, 2000, 2042, 4000, 4084, 5105, 8168, 10210, 16336, 20420, 25525, 32672, 40840, 51050, 81680, 102100, 127625, 163360, 204200, 255250, 408400, 510500, 816800, 1021000, 2042000, 4084000]

約数ペア:

[(1, 4084000), (2, 2042000), (4, 1021000), (5, 816800), (8, 510500), (10, 408400), (16, 255250), (20, 204200), (25, 163360), (32, 127625), (40, 102100), (50, 81680), (80, 51050), (100, 40840), (125, 32672), (160, 25525), (200, 20420), (250, 16336), (400, 10210), (500, 8168), (800, 5105), (1000, 4084), (1021, 4000), (2000, 2042)]