39929840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21701}}^1$

素因数の和:21737

約数の個数: 40

約数和(自身を含む): 96877728

約数和(自身を除く): 56947888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 21701, 43402, 86804, 108505, 173608, 217010, 347216, 434020, 499123, 868040, 998246, 1736080, 1996492, 2495615, 3992984, 4991230, 7985968, 9982460, 19964920, 39929840]

約数ペア:

[(1, 39929840), (2, 19964920), (4, 9982460), (5, 7985968), (8, 4991230), (10, 3992984), (16, 2495615), (20, 1996492), (23, 1736080), (40, 998246), (46, 868040), (80, 499123), (92, 434020), (115, 347216), (184, 217010), (230, 173608), (368, 108505), (460, 86804), (920, 43402), (1840, 21701)]