2568448040

素因数分解:

$2^3\times 5^1\times {\mathrm{64211201}}^1$

素因数の和:64211212

約数の個数: 16

約数和(自身を含む): 5779008180

約数和(自身を除く): 3210560140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 64211201, 128422402, 256844804, 321056005, 513689608, 642112010, 1284224020, 2568448040]

約数ペア:

[(1, 2568448040), (2, 1284224020), (4, 642112010), (5, 513689608), (8, 321056005), (10, 256844804), (20, 128422402), (40, 64211201)]