4040642000

素因数分解:

$2^4\times 5^3\times {\mathrm{2020321}}^1$

素因数の和:2020344

約数の個数: 40

約数和(自身を含む): 9770277192

約数和(自身を除く): 5729635192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2020321, 4040642, 8081284, 10101605, 16162568, 20203210, 32325136, 40406420, 50508025, 80812840, 101016050, 161625680, 202032100, 252540125, 404064200, 505080250, 808128400, 1010160500, 2020321000, 4040642000]

約数ペア:

[(1, 4040642000), (2, 2020321000), (4, 1010160500), (5, 808128400), (8, 505080250), (10, 404064200), (16, 252540125), (20, 202032100), (25, 161625680), (40, 101016050), (50, 80812840), (80, 50508025), (100, 40406420), (125, 32325136), (200, 20203210), (250, 16162568), (400, 10101605), (500, 8081284), (1000, 4040642), (2000, 2020321)]