87231280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57389}}^1$

素因数の和:57421

約数の個数: 40

約数和(自身を含む): 213490800

約数和(自身を除く): 126259520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 57389, 114778, 229556, 286945, 459112, 573890, 918224, 1090391, 1147780, 2180782, 2295560, 4361564, 4591120, 5451955, 8723128, 10903910, 17446256, 21807820, 43615640, 87231280]

約数ペア:

[(1, 87231280), (2, 43615640), (4, 21807820), (5, 17446256), (8, 10903910), (10, 8723128), (16, 5451955), (19, 4591120), (20, 4361564), (38, 2295560), (40, 2180782), (76, 1147780), (80, 1090391), (95, 918224), (152, 573890), (190, 459112), (304, 286945), (380, 229556), (760, 114778), (1520, 57389)]