5120900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1304

約数の個数: 36

約数和(自身を含む): 11392500

約数和(自身を除く): 6271600

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1249, 2050, 2498, 4100, 4996, 6245, 12490, 24980, 31225, 51209, 62450, 102418, 124900, 204836, 256045, 512090, 1024180, 1280225, 2560450, 5120900]

約数ペア:

[(1, 5120900), (2, 2560450), (4, 1280225), (5, 1024180), (10, 512090), (20, 256045), (25, 204836), (41, 124900), (50, 102418), (82, 62450), (100, 51209), (164, 31225), (205, 24980), (410, 12490), (820, 6245), (1025, 4996), (1249, 4100), (2050, 2498)]