4080345020

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{268091}}^1$

素因数の和:268861

約数の個数: 24

約数和(自身を含む): 8580016368

約数和(自身を除く): 4499671348

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 15220, 268091, 536182, 1072364, 1340455, 2680910, 5361820, 204017251, 408034502, 816069004, 1020086255, 2040172510, 4080345020]

約数ペア:

[(1, 4080345020), (2, 2040172510), (4, 1020086255), (5, 816069004), (10, 408034502), (20, 204017251), (761, 5361820), (1522, 2680910), (3044, 1340455), (3805, 1072364), (7610, 536182), (15220, 268091)]