15983560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21031}}^1$

素因数の和:21061

約数の個数: 32

約数和(自身を含む): 37857600

約数和(自身を除く): 21874040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21031, 42062, 84124, 105155, 168248, 210310, 399589, 420620, 799178, 841240, 1598356, 1997945, 3196712, 3995890, 7991780, 15983560]

約数ペア:

[(1, 15983560), (2, 7991780), (4, 3995890), (5, 3196712), (8, 1997945), (10, 1598356), (19, 841240), (20, 799178), (38, 420620), (40, 399589), (76, 210310), (95, 168248), (152, 105155), (190, 84124), (380, 42062), (760, 21031)]