2154810040

素因数分解:

$2^3\times 5^1\times {\mathrm{53870251}}^1$

素因数の和:53870262

約数の個数: 16

約数和(自身を含む): 4848322680

約数和(自身を除く): 2693512640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53870251, 107740502, 215481004, 269351255, 430962008, 538702510, 1077405020, 2154810040]

約数ペア:

[(1, 2154810040), (2, 1077405020), (4, 538702510), (5, 430962008), (8, 269351255), (10, 215481004), (20, 107740502), (40, 53870251)]