201660640

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12479}}^1$

素因数の和:12595

約数の個数: 48

約数和(自身を含む): 481178880

約数和(自身を除く): 279518240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 12479, 16160, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 399328, 499160, 998320, 1260379, 1996640, 2520758, 5041516, 6301895, 10083032, 12603790, 20166064, 25207580, 40332128, 50415160, 100830320, 201660640]

約数ペア:

[(1, 201660640), (2, 100830320), (4, 50415160), (5, 40332128), (8, 25207580), (10, 20166064), (16, 12603790), (20, 10083032), (32, 6301895), (40, 5041516), (80, 2520758), (101, 1996640), (160, 1260379), (202, 998320), (404, 499160), (505, 399328), (808, 249580), (1010, 199664), (1616, 124790), (2020, 99832), (3232, 62395), (4040, 49916), (8080, 24958), (12479, 16160)]