78492020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{10247}}^1$

素因数の和:10639

約数の個数: 24

約数和(自身を含む): 165279744

約数和(自身を除く): 86787724

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 10247, 20494, 40988, 51235, 102470, 204940, 3924601, 7849202, 15698404, 19623005, 39246010, 78492020]

約数ペア:

[(1, 78492020), (2, 39246010), (4, 19623005), (5, 15698404), (10, 7849202), (20, 3924601), (383, 204940), (766, 102470), (1532, 51235), (1915, 40988), (3830, 20494), (7660, 10247)]