31967120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21031}}^1$

素因数の和:21063

約数の個数: 40

約数和(自身を含む): 78239040

約数和(自身を除く): 46271920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 21031, 42062, 84124, 105155, 168248, 210310, 336496, 399589, 420620, 799178, 841240, 1598356, 1682480, 1997945, 3196712, 3995890, 6393424, 7991780, 15983560, 31967120]

約数ペア:

[(1, 31967120), (2, 15983560), (4, 7991780), (5, 6393424), (8, 3995890), (10, 3196712), (16, 1997945), (19, 1682480), (20, 1598356), (38, 841240), (40, 799178), (76, 420620), (80, 399589), (95, 336496), (152, 210310), (190, 168248), (304, 105155), (380, 84124), (760, 42062), (1520, 21031)]