16878560

素因数分解:

$2^5\times 5^1\times {\mathrm{105491}}^1$

素因数の和:105506

約数の個数: 24

約数和(自身を含む): 39875976

約数和(自身を除く): 22997416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105491, 210982, 421964, 527455, 843928, 1054910, 1687856, 2109820, 3375712, 4219640, 8439280, 16878560]

約数ペア:

[(1, 16878560), (2, 8439280), (4, 4219640), (5, 3375712), (8, 2109820), (10, 1687856), (16, 1054910), (20, 843928), (32, 527455), (40, 421964), (80, 210982), (160, 105491)]