133640240

素因数分解:

$2^4\times 5^1\times {\mathrm{1670503}}^1$

素因数の和:1670516

約数の個数: 20

約数和(自身を含む): 310713744

約数和(自身を除く): 177073504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1670503, 3341006, 6682012, 8352515, 13364024, 16705030, 26728048, 33410060, 66820120, 133640240]

約数ペア:

[(1, 133640240), (2, 66820120), (4, 33410060), (5, 26728048), (8, 16705030), (10, 13364024), (16, 8352515), (20, 6682012), (40, 3341006), (80, 1670503)]