2057360180

素因数分解:

$2^2\times 5^1\times {\mathrm{12941}}^1\times {\mathrm{7949}}^1$

素因数の和:20899

約数の個数: 24

約数和(自身を含む): 4321333800

約数和(自身を除く): 2263973620

約数列:

[1, 2, 4, 5, 10, 20, 7949, 12941, 15898, 25882, 31796, 39745, 51764, 64705, 79490, 129410, 158980, 258820, 102868009, 205736018, 411472036, 514340045, 1028680090, 2057360180]

約数ペア:

[(1, 2057360180), (2, 1028680090), (4, 514340045), (5, 411472036), (10, 205736018), (20, 102868009), (7949, 258820), (12941, 158980), (15898, 129410), (25882, 79490), (31796, 64705), (39745, 51764)]