2040528040

素因数分解:

$2^3\times 5^1\times {\mathrm{51013201}}^1$

素因数の和:51013212

約数の個数: 16

約数和(自身を含む): 4591188180

約数和(自身を除く): 2550660140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51013201, 102026402, 204052804, 255066005, 408105608, 510132010, 1020264020, 2040528040]

約数ペア:

[(1, 2040528040), (2, 1020264020), (4, 510132010), (5, 408105608), (8, 255066005), (10, 204052804), (20, 102026402), (40, 51013201)]