2080455560

素因数分解:

$2^3\times 5^1\times {\mathrm{52011389}}^1$

素因数の和:52011400

約数の個数: 16

約数和(自身を含む): 4681025100

約数和(自身を除く): 2600569540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52011389, 104022778, 208045556, 260056945, 416091112, 520113890, 1040227780, 2080455560]

約数ペア:

[(1, 2080455560), (2, 1040227780), (4, 520113890), (5, 416091112), (8, 260056945), (10, 208045556), (20, 104022778), (40, 52011389)]